Home / 160,099.24-220,937.64-87,503.60

Finding the Fourth Proportional to 160,099.24, 220,937.64 and 87,503.60

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Solution

The fourth proportional to 160,099.24, 220,937.64 and 87,503.60 is: 120,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,099.24 : 220,937.64 = 87,503.60 : x
  2. Step 2: Convert to fraction form
    160,099.24/220,937.64 = 87,503.60/x
  3. Step 3: Cross multiply
    160,099.24x = 220,937.64 × 87,503.60
  4. Step 4: Simplify right side
    160,099.24x = 19,332,838,875.50
  5. Step 5: Solve for x
    x = 19,332,838,875.50/160,099.24
  6. Step 6: Final answer
    x = 120,755.34

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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.