Home / 147,035.13-220,275.41-86,884.26

Finding the Fourth Proportional to 147,035.13, 220,275.41 and 86,884.26

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Solution

The fourth proportional to 147,035.13, 220,275.41 and 86,884.26 is: 130,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,035.13 : 220,275.41 = 86,884.26 : x
  2. Step 2: Convert to fraction form
    147,035.13/220,275.41 = 86,884.26/x
  3. Step 3: Cross multiply
    147,035.13x = 220,275.41 × 86,884.26
  4. Step 4: Simplify right side
    147,035.13x = 19,138,465,559.63
  5. Step 5: Solve for x
    x = 19,138,465,559.63/147,035.13
  6. Step 6: Final answer
    x = 130,162.54

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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.