Home / 158,577.60-218,951.84-102,087.36

Finding the Fourth Proportional to 158,577.60, 218,951.84 and 102,087.36

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Solution

The fourth proportional to 158,577.60, 218,951.84 and 102,087.36 is: 140,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,577.60 : 218,951.84 = 102,087.36 : x
  2. Step 2: Convert to fraction form
    158,577.60/218,951.84 = 102,087.36/x
  3. Step 3: Cross multiply
    158,577.60x = 218,951.84 × 102,087.36
  4. Step 4: Simplify right side
    158,577.60x = 22,352,215,312.74
  5. Step 5: Solve for x
    x = 22,352,215,312.74/158,577.60
  6. Step 6: Final answer
    x = 140,954.43

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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.