Home / 191,942.09-287,913.14-98,388.17

Finding the Fourth Proportional to 191,942.09, 287,913.14 and 98,388.17

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Solution

The fourth proportional to 191,942.09, 287,913.14 and 98,388.17 is: 147,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,942.09 : 287,913.14 = 98,388.17 : x
  2. Step 2: Convert to fraction form
    191,942.09/287,913.14 = 98,388.17/x
  3. Step 3: Cross multiply
    191,942.09x = 287,913.14 × 98,388.17
  4. Step 4: Simplify right side
    191,942.09x = 28,327,246,963.55
  5. Step 5: Solve for x
    x = 28,327,246,963.55/191,942.09
  6. Step 6: Final answer
    x = 147,582.26

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.