Home / 147,272.13-220,908.12-42,091.14

Finding the Fourth Proportional to 147,272.13, 220,908.12 and 42,091.14

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Solution

The fourth proportional to 147,272.13, 220,908.12 and 42,091.14 is: 63,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,272.13 : 220,908.12 = 42,091.14 : x
  2. Step 2: Convert to fraction form
    147,272.13/220,908.12 = 42,091.14/x
  3. Step 3: Cross multiply
    147,272.13x = 220,908.12 × 42,091.14
  4. Step 4: Simplify right side
    147,272.13x = 9,298,274,606.06
  5. Step 5: Solve for x
    x = 9,298,274,606.06/147,272.13
  6. Step 6: Final answer
    x = 63,136.69

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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.