Home / 237,487.02-327,728.07-128,590.50

Finding the Fourth Proportional to 237,487.02, 327,728.07 and 128,590.50

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Solution

The fourth proportional to 237,487.02, 327,728.07 and 128,590.50 is: 177,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,487.02 : 327,728.07 = 128,590.50 : x
  2. Step 2: Convert to fraction form
    237,487.02/327,728.07 = 128,590.50/x
  3. Step 3: Cross multiply
    237,487.02x = 327,728.07 × 128,590.50
  4. Step 4: Simplify right side
    237,487.02x = 42,142,716,385.34
  5. Step 5: Solve for x
    x = 42,142,716,385.34/237,487.02
  6. Step 6: Final answer
    x = 177,452.71

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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.