Home / 115,298.12-159,146.88-67,566.88

Finding the Fourth Proportional to 115,298.12, 159,146.88 and 67,566.88

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Solution

The fourth proportional to 115,298.12, 159,146.88 and 67,566.88 is: 93,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,298.12 : 159,146.88 = 67,566.88 : x
  2. Step 2: Convert to fraction form
    115,298.12/159,146.88 = 67,566.88/x
  3. Step 3: Cross multiply
    115,298.12x = 159,146.88 × 67,566.88
  4. Step 4: Simplify right side
    115,298.12x = 10,753,058,143.33
  5. Step 5: Solve for x
    x = 10,753,058,143.33/115,298.12
  6. Step 6: Final answer
    x = 93,263.08

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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.