Home / 160,167.92-221,032.13-87,575.50

Finding the Fourth Proportional to 160,167.92, 221,032.13 and 87,575.50

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Solution

The fourth proportional to 160,167.92, 221,032.13 and 87,575.50 is: 120,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,167.92 : 221,032.13 = 87,575.50 : x
  2. Step 2: Convert to fraction form
    160,167.92/221,032.13 = 87,575.50/x
  3. Step 3: Cross multiply
    160,167.92x = 221,032.13 × 87,575.50
  4. Step 4: Simplify right side
    160,167.92x = 19,356,997,976.72
  5. Step 5: Solve for x
    x = 19,356,997,976.72/160,167.92
  6. Step 6: Final answer
    x = 120,854.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.