Home / 191,730.45-287,494.93-85,068.19

Finding the Fourth Proportional to 191,730.45, 287,494.93 and 85,068.19

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Solution

The fourth proportional to 191,730.45, 287,494.93 and 85,068.19 is: 127,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,730.45 : 287,494.93 = 85,068.19 : x
  2. Step 2: Convert to fraction form
    191,730.45/287,494.93 = 85,068.19/x
  3. Step 3: Cross multiply
    191,730.45x = 287,494.93 × 85,068.19
  4. Step 4: Simplify right side
    191,730.45x = 24,456,673,329.28
  5. Step 5: Solve for x
    x = 24,456,673,329.28/191,730.45
  6. Step 6: Final answer
    x = 127,557.59

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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.