Home / 437,890.60-656,835.90-157,436.20

Finding the Fourth Proportional to 437,890.60, 656,835.90 and 157,436.20

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Solution

The fourth proportional to 437,890.60, 656,835.90 and 157,436.20 is: 236,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,890.60 : 656,835.90 = 157,436.20 : x
  2. Step 2: Convert to fraction form
    437,890.60/656,835.90 = 157,436.20/x
  3. Step 3: Cross multiply
    437,890.60x = 656,835.90 × 157,436.20
  4. Step 4: Simplify right side
    437,890.60x = 103,409,748,119.58
  5. Step 5: Solve for x
    x = 103,409,748,119.58/437,890.60
  6. Step 6: Final answer
    x = 236,154.30

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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.