Home / 191,570.13-287,086.05-151,412.58

Finding the Fourth Proportional to 191,570.13, 287,086.05 and 151,412.58

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Solution

The fourth proportional to 191,570.13, 287,086.05 and 151,412.58 is: 226,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,570.13 : 287,086.05 = 151,412.58 : x
  2. Step 2: Convert to fraction form
    191,570.13/287,086.05 = 151,412.58/x
  3. Step 3: Cross multiply
    191,570.13x = 287,086.05 × 151,412.58
  4. Step 4: Simplify right side
    191,570.13x = 43,468,439,512.51
  5. Step 5: Solve for x
    x = 43,468,439,512.51/191,570.13
  6. Step 6: Final answer
    x = 226,906.14

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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.