Home / 160,669.25-221,718.89-88,070.63

Finding the Fourth Proportional to 160,669.25, 221,718.89 and 88,070.63

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Solution

The fourth proportional to 160,669.25, 221,718.89 and 88,070.63 is: 121,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,669.25 : 221,718.89 = 88,070.63 : x
  2. Step 2: Convert to fraction form
    160,669.25/221,718.89 = 88,070.63/x
  3. Step 3: Cross multiply
    160,669.25x = 221,718.89 × 88,070.63
  4. Step 4: Simplify right side
    160,669.25x = 19,526,920,776.25
  5. Step 5: Solve for x
    x = 19,526,920,776.25/160,669.25
  6. Step 6: Final answer
    x = 121,534.90

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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.