Home / 291,784.13-402,654.07-162,726.52

Finding the Fourth Proportional to 291,784.13, 402,654.07 and 162,726.52

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Solution

The fourth proportional to 291,784.13, 402,654.07 and 162,726.52 is: 224,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,784.13 : 402,654.07 = 162,726.52 : x
  2. Step 2: Convert to fraction form
    291,784.13/402,654.07 = 162,726.52/x
  3. Step 3: Cross multiply
    291,784.13x = 402,654.07 × 162,726.52
  4. Step 4: Simplify right side
    291,784.13x = 65,522,495,574.94
  5. Step 5: Solve for x
    x = 65,522,495,574.94/291,784.13
  6. Step 6: Final answer
    x = 224,558.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.