Home / 147,028.90-220,105.95-97,165.30

Finding the Fourth Proportional to 147,028.90, 220,105.95 and 97,165.30

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Solution

The fourth proportional to 147,028.90, 220,105.95 and 97,165.30 is: 145,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,028.90 : 220,105.95 = 97,165.30 : x
  2. Step 2: Convert to fraction form
    147,028.90/220,105.95 = 97,165.30/x
  3. Step 3: Cross multiply
    147,028.90x = 220,105.95 × 97,165.30
  4. Step 4: Simplify right side
    147,028.90x = 21,386,660,663.54
  5. Step 5: Solve for x
    x = 21,386,660,663.54/147,028.90
  6. Step 6: Final answer
    x = 145,458.89

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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.