Home / 98,158.08-147,132-38,911.68

Finding the Fourth Proportional to 98,158.08, 147,132 and 38,911.68

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Solution

The fourth proportional to 98,158.08, 147,132 and 38,911.68 is: 58,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,158.08 : 147,132 = 38,911.68 : x
  2. Step 2: Convert to fraction form
    98,158.08/147,132 = 38,911.68/x
  3. Step 3: Cross multiply
    98,158.08x = 147,132 × 38,911.68
  4. Step 4: Simplify right side
    98,158.08x = 5,725,153,301.76
  5. Step 5: Solve for x
    x = 5,725,153,301.76/98,158.08
  6. Step 6: Final answer
    x = 58,325.85

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1.5x scale

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.