Home / 176,140.17-243,065.75-100,693.53

Finding the Fourth Proportional to 176,140.17, 243,065.75 and 100,693.53

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Solution

The fourth proportional to 176,140.17, 243,065.75 and 100,693.53 is: 138,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,140.17 : 243,065.75 = 100,693.53 : x
  2. Step 2: Convert to fraction form
    176,140.17/243,065.75 = 100,693.53/x
  3. Step 3: Cross multiply
    176,140.17x = 243,065.75 × 100,693.53
  4. Step 4: Simplify right side
    176,140.17x = 24,475,147,886.13
  5. Step 5: Solve for x
    x = 24,475,147,886.13/176,140.17
  6. Step 6: Final answer
    x = 138,952.68

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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.