Home / 437,964.60-656,946.90-157,445.40

Finding the Fourth Proportional to 437,964.60, 656,946.90 and 157,445.40

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Solution

The fourth proportional to 437,964.60, 656,946.90 and 157,445.40 is: 236,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,964.60 : 656,946.90 = 157,445.40 : x
  2. Step 2: Convert to fraction form
    437,964.60/656,946.90 = 157,445.40/x
  3. Step 3: Cross multiply
    437,964.60x = 656,946.90 × 157,445.40
  4. Step 4: Simplify right side
    437,964.60x = 103,433,267,449.26
  5. Step 5: Solve for x
    x = 103,433,267,449.26/437,964.60
  6. Step 6: Final answer
    x = 236,168.10

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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.