Home / 147,537.20-221,392.20-54,052.40

Finding the Fourth Proportional to 147,537.20, 221,392.20 and 54,052.40

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Solution

The fourth proportional to 147,537.20, 221,392.20 and 54,052.40 is: 81,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,537.20 : 221,392.20 = 54,052.40 : x
  2. Step 2: Convert to fraction form
    147,537.20/221,392.20 = 54,052.40/x
  3. Step 3: Cross multiply
    147,537.20x = 221,392.20 × 54,052.40
  4. Step 4: Simplify right side
    147,537.20x = 11,966,779,751.28
  5. Step 5: Solve for x
    x = 11,966,779,751.28/147,537.20
  6. Step 6: Final answer
    x = 81,110.25

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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.