Home / 147,503.20-221,125.20-88,362.40

Finding the Fourth Proportional to 147,503.20, 221,125.20 and 88,362.40

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Solution

The fourth proportional to 147,503.20, 221,125.20 and 88,362.40 is: 132,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.20 : 221,125.20 = 88,362.40 : x
  2. Step 2: Convert to fraction form
    147,503.20/221,125.20 = 88,362.40/x
  3. Step 3: Cross multiply
    147,503.20x = 221,125.20 × 88,362.40
  4. Step 4: Simplify right side
    147,503.20x = 19,539,153,372.48
  5. Step 5: Solve for x
    x = 19,539,153,372.48/147,503.20
  6. Step 6: Final answer
    x = 132,465.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.