Home / 147,337.48-203,327.12-83,675.72

Finding the Fourth Proportional to 147,337.48, 203,327.12 and 83,675.72

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Solution

The fourth proportional to 147,337.48, 203,327.12 and 83,675.72 is: 115,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,337.48 : 203,327.12 = 83,675.72 : x
  2. Step 2: Convert to fraction form
    147,337.48/203,327.12 = 83,675.72/x
  3. Step 3: Cross multiply
    147,337.48x = 203,327.12 × 83,675.72
  4. Step 4: Simplify right side
    147,337.48x = 17,013,543,161.53
  5. Step 5: Solve for x
    x = 17,013,543,161.53/147,337.48
  6. Step 6: Final answer
    x = 115,473.29

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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.