Home / 160,126.79-220,974.98-87,529.97

Finding the Fourth Proportional to 160,126.79, 220,974.98 and 87,529.97

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Solution

The fourth proportional to 160,126.79, 220,974.98 and 87,529.97 is: 120,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,126.79 : 220,974.98 = 87,529.97 : x
  2. Step 2: Convert to fraction form
    160,126.79/220,974.98 = 87,529.97/x
  3. Step 3: Cross multiply
    160,126.79x = 220,974.98 × 87,529.97
  4. Step 4: Simplify right side
    160,126.79x = 19,341,931,827.63
  5. Step 5: Solve for x
    x = 19,341,931,827.63/160,126.79
  6. Step 6: Final answer
    x = 120,791.36

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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.