Home / 147,290.43-203,258.94-83,624.12

Finding the Fourth Proportional to 147,290.43, 203,258.94 and 83,624.12

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Solution

The fourth proportional to 147,290.43, 203,258.94 and 83,624.12 is: 115,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,290.43 : 203,258.94 = 83,624.12 : x
  2. Step 2: Convert to fraction form
    147,290.43/203,258.94 = 83,624.12/x
  3. Step 3: Cross multiply
    147,290.43x = 203,258.94 × 83,624.12
  4. Step 4: Simplify right side
    147,290.43x = 16,997,350,699.21
  5. Step 5: Solve for x
    x = 16,997,350,699.21/147,290.43
  6. Step 6: Final answer
    x = 115,400.24

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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.