Home / 147,711.60-221,515.56-42,502.32

Finding the Fourth Proportional to 147,711.60, 221,515.56 and 42,502.32

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Solution

The fourth proportional to 147,711.60, 221,515.56 and 42,502.32 is: 63,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,711.60 : 221,515.56 = 42,502.32 : x
  2. Step 2: Convert to fraction form
    147,711.60/221,515.56 = 42,502.32/x
  3. Step 3: Cross multiply
    147,711.60x = 221,515.56 × 42,502.32
  4. Step 4: Simplify right side
    147,711.60x = 9,414,925,216.10
  5. Step 5: Solve for x
    x = 9,414,925,216.10/147,711.60
  6. Step 6: Final answer
    x = 63,738.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.