Home / 113,972.30-157,282.26-62,290.45

Finding the Fourth Proportional to 113,972.30, 157,282.26 and 62,290.45

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Solution

The fourth proportional to 113,972.30, 157,282.26 and 62,290.45 is: 85,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,972.30 : 157,282.26 = 62,290.45 : x
  2. Step 2: Convert to fraction form
    113,972.30/157,282.26 = 62,290.45/x
  3. Step 3: Cross multiply
    113,972.30x = 157,282.26 × 62,290.45
  4. Step 4: Simplify right side
    113,972.30x = 9,797,181,966.01
  5. Step 5: Solve for x
    x = 9,797,181,966.01/113,972.30
  6. Step 6: Final answer
    x = 85,961.08

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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.