Home / 147,380.50-203,417.90-93,655.02

Finding the Fourth Proportional to 147,380.50, 203,417.90 and 93,655.02

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Solution

The fourth proportional to 147,380.50, 203,417.90 and 93,655.02 is: 129,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,380.50 : 203,417.90 = 93,655.02 : x
  2. Step 2: Convert to fraction form
    147,380.50/203,417.90 = 93,655.02/x
  3. Step 3: Cross multiply
    147,380.50x = 203,417.90 × 93,655.02
  4. Step 4: Simplify right side
    147,380.50x = 19,051,107,492.86
  5. Step 5: Solve for x
    x = 19,051,107,492.86/147,380.50
  6. Step 6: Final answer
    x = 129,264.78

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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.