Home / 147,833.52-221,618.64-54,317.40

Finding the Fourth Proportional to 147,833.52, 221,618.64 and 54,317.40

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Solution

The fourth proportional to 147,833.52, 221,618.64 and 54,317.40 is: 81,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,833.52 : 221,618.64 = 54,317.40 : x
  2. Step 2: Convert to fraction form
    147,833.52/221,618.64 = 54,317.40/x
  3. Step 3: Cross multiply
    147,833.52x = 221,618.64 × 54,317.40
  4. Step 4: Simplify right side
    147,833.52x = 12,037,748,316.34
  5. Step 5: Solve for x
    x = 12,037,748,316.34/147,833.52
  6. Step 6: Final answer
    x = 81,427.73

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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.