Home / 158,134.40-218,232.96-93,606.40

Finding the Fourth Proportional to 158,134.40, 218,232.96 and 93,606.40

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Solution

The fourth proportional to 158,134.40, 218,232.96 and 93,606.40 is: 129,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,134.40 : 218,232.96 = 93,606.40 : x
  2. Step 2: Convert to fraction form
    158,134.40/218,232.96 = 93,606.40/x
  3. Step 3: Cross multiply
    158,134.40x = 218,232.96 × 93,606.40
  4. Step 4: Simplify right side
    158,134.40x = 20,428,001,746.94
  5. Step 5: Solve for x
    x = 20,428,001,746.94/158,134.40
  6. Step 6: Final answer
    x = 129,181.26

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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.