Home / 160,493.37-221,459.13-88,871.55

Finding the Fourth Proportional to 160,493.37, 221,459.13 and 88,871.55

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Solution

The fourth proportional to 160,493.37, 221,459.13 and 88,871.55 is: 122,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,493.37 : 221,459.13 = 88,871.55 : x
  2. Step 2: Convert to fraction form
    160,493.37/221,459.13 = 88,871.55/x
  3. Step 3: Cross multiply
    160,493.37x = 221,459.13 × 88,871.55
  4. Step 4: Simplify right side
    160,493.37x = 19,681,416,144.75
  5. Step 5: Solve for x
    x = 19,681,416,144.75/160,493.37
  6. Step 6: Final answer
    x = 122,630.71

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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.