Home / 147,349.13-221,023.69-53,854.88

Finding the Fourth Proportional to 147,349.13, 221,023.69 and 53,854.88

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Solution

The fourth proportional to 147,349.13, 221,023.69 and 53,854.88 is: 80,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,349.13 : 221,023.69 = 53,854.88 : x
  2. Step 2: Convert to fraction form
    147,349.13/221,023.69 = 53,854.88/x
  3. Step 3: Cross multiply
    147,349.13x = 221,023.69 × 53,854.88
  4. Step 4: Simplify right side
    147,349.13x = 11,903,203,062.35
  5. Step 5: Solve for x
    x = 11,903,203,062.35/147,349.13
  6. Step 6: Final answer
    x = 80,782.31

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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.