Home / 147,132.07-220,646.22-47,258.53

Finding the Fourth Proportional to 147,132.07, 220,646.22 and 47,258.53

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Solution

The fourth proportional to 147,132.07, 220,646.22 and 47,258.53 is: 70,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,132.07 : 220,646.22 = 47,258.53 : x
  2. Step 2: Convert to fraction form
    147,132.07/220,646.22 = 47,258.53/x
  3. Step 3: Cross multiply
    147,132.07x = 220,646.22 × 47,258.53
  4. Step 4: Simplify right side
    147,132.07x = 10,427,416,007.26
  5. Step 5: Solve for x
    x = 10,427,416,007.26/147,132.07
  6. Step 6: Final answer
    x = 70,871.13

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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.