Home / 113,643.07-156,827.83-62,654.68

Finding the Fourth Proportional to 113,643.07, 156,827.83 and 62,654.68

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Solution

The fourth proportional to 113,643.07, 156,827.83 and 62,654.68 is: 86,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,643.07 : 156,827.83 = 62,654.68 : x
  2. Step 2: Convert to fraction form
    113,643.07/156,827.83 = 62,654.68/x
  3. Step 3: Cross multiply
    113,643.07x = 156,827.83 × 62,654.68
  4. Step 4: Simplify right side
    113,643.07x = 9,825,997,503.74
  5. Step 5: Solve for x
    x = 9,825,997,503.74/113,643.07
  6. Step 6: Final answer
    x = 86,463.68

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1.5x scale

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.