Home / 160,055.61-220,876.28-88,435.12

Finding the Fourth Proportional to 160,055.61, 220,876.28 and 88,435.12

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Solution

The fourth proportional to 160,055.61, 220,876.28 and 88,435.12 is: 122,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,055.61 : 220,876.28 = 88,435.12 : x
  2. Step 2: Convert to fraction form
    160,055.61/220,876.28 = 88,435.12/x
  3. Step 3: Cross multiply
    160,055.61x = 220,876.28 × 88,435.12
  4. Step 4: Simplify right side
    160,055.61x = 19,533,220,326.95
  5. Step 5: Solve for x
    x = 19,533,220,326.95/160,055.61
  6. Step 6: Final answer
    x = 122,040.21

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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.