Home / 160,237.39-221,126.20-88,615.87

Finding the Fourth Proportional to 160,237.39, 221,126.20 and 88,615.87

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Solution

The fourth proportional to 160,237.39, 221,126.20 and 88,615.87 is: 122,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,237.39 : 221,126.20 = 88,615.87 : x
  2. Step 2: Convert to fraction form
    160,237.39/221,126.20 = 88,615.87/x
  3. Step 3: Cross multiply
    160,237.39x = 221,126.20 × 88,615.87
  4. Step 4: Simplify right side
    160,237.39x = 19,595,291,560.74
  5. Step 5: Solve for x
    x = 19,595,291,560.74/160,237.39
  6. Step 6: Final answer
    x = 122,289.13

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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.