Home / 157,247.04-217,213.20-125,637.60

Finding the Fourth Proportional to 157,247.04, 217,213.20 and 125,637.60

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Solution

The fourth proportional to 157,247.04, 217,213.20 and 125,637.60 is: 173,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,247.04 : 217,213.20 = 125,637.60 : x
  2. Step 2: Convert to fraction form
    157,247.04/217,213.20 = 125,637.60/x
  3. Step 3: Cross multiply
    157,247.04x = 217,213.20 × 125,637.60
  4. Step 4: Simplify right side
    157,247.04x = 27,290,145,136.32
  5. Step 5: Solve for x
    x = 27,290,145,136.32/157,247.04
  6. Step 6: Final answer
    x = 173,549.50

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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.