Home / 153,795.24-212,276.10-86,766.12

Finding the Fourth Proportional to 153,795.24, 212,276.10 and 86,766.12

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Solution

The fourth proportional to 153,795.24, 212,276.10 and 86,766.12 is: 119,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,795.24 : 212,276.10 = 86,766.12 : x
  2. Step 2: Convert to fraction form
    153,795.24/212,276.10 = 86,766.12/x
  3. Step 3: Cross multiply
    153,795.24x = 212,276.10 × 86,766.12
  4. Step 4: Simplify right side
    153,795.24x = 18,418,373,565.73
  5. Step 5: Solve for x
    x = 18,418,373,565.73/153,795.24
  6. Step 6: Final answer
    x = 119,759.06

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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.