Home / 172,293.17-258,439.55-53,973.72

Finding the Fourth Proportional to 172,293.17, 258,439.55 and 53,973.72

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Solution

The fourth proportional to 172,293.17, 258,439.55 and 53,973.72 is: 80,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,293.17 : 258,439.55 = 53,973.72 : x
  2. Step 2: Convert to fraction form
    172,293.17/258,439.55 = 53,973.72/x
  3. Step 3: Cross multiply
    172,293.17x = 258,439.55 × 53,973.72
  4. Step 4: Simplify right side
    172,293.17x = 13,948,943,638.76
  5. Step 5: Solve for x
    x = 13,948,943,638.76/172,293.17
  6. Step 6: Final answer
    x = 80,960.52

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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.