Home / 147,503.32-221,087.54-129,699.52

Finding the Fourth Proportional to 147,503.32, 221,087.54 and 129,699.52

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Solution

The fourth proportional to 147,503.32, 221,087.54 and 129,699.52 is: 194,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.32 : 221,087.54 = 129,699.52 : x
  2. Step 2: Convert to fraction form
    147,503.32/221,087.54 = 129,699.52/x
  3. Step 3: Cross multiply
    147,503.32x = 221,087.54 × 129,699.52
  4. Step 4: Simplify right side
    147,503.32x = 28,674,946,614.76
  5. Step 5: Solve for x
    x = 28,674,946,614.76/147,503.32
  6. Step 6: Final answer
    x = 194,402.05

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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.