Home / 232,416.12-320,734.91-129,050.53

Finding the Fourth Proportional to 232,416.12, 320,734.91 and 129,050.53

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Solution

The fourth proportional to 232,416.12, 320,734.91 and 129,050.53 is: 178,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,416.12 : 320,734.91 = 129,050.53 : x
  2. Step 2: Convert to fraction form
    232,416.12/320,734.91 = 129,050.53/x
  3. Step 3: Cross multiply
    232,416.12x = 320,734.91 × 129,050.53
  4. Step 4: Simplify right side
    232,416.12x = 41,391,010,125.00
  5. Step 5: Solve for x
    x = 41,391,010,125.00/232,416.12
  6. Step 6: Final answer
    x = 178,090.10

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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.