Home / 147,239.24-220,422.54-90,898.19

Finding the Fourth Proportional to 147,239.24, 220,422.54 and 90,898.19

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Solution

The fourth proportional to 147,239.24, 220,422.54 and 90,898.19 is: 136,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,239.24 : 220,422.54 = 90,898.19 : x
  2. Step 2: Convert to fraction form
    147,239.24/220,422.54 = 90,898.19/x
  3. Step 3: Cross multiply
    147,239.24x = 220,422.54 × 90,898.19
  4. Step 4: Simplify right side
    147,239.24x = 20,036,009,921.20
  5. Step 5: Solve for x
    x = 20,036,009,921.20/147,239.24
  6. Step 6: Final answer
    x = 136,077.92

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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.