Home / 160,158.06-221,001.21-88,526.52

Finding the Fourth Proportional to 160,158.06, 221,001.21 and 88,526.52

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Solution

The fourth proportional to 160,158.06, 221,001.21 and 88,526.52 is: 122,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,158.06 : 221,001.21 = 88,526.52 : x
  2. Step 2: Convert to fraction form
    160,158.06/221,001.21 = 88,526.52/x
  3. Step 3: Cross multiply
    160,158.06x = 221,001.21 × 88,526.52
  4. Step 4: Simplify right side
    160,158.06x = 19,564,468,037.09
  5. Step 5: Solve for x
    x = 19,564,468,037.09/160,158.06
  6. Step 6: Final answer
    x = 122,157.25

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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.