Home / 160,541.12-221,695.67-120,184.82

Finding the Fourth Proportional to 160,541.12, 221,695.67 and 120,184.82

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Solution

The fourth proportional to 160,541.12, 221,695.67 and 120,184.82 is: 165,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,541.12 : 221,695.67 = 120,184.82 : x
  2. Step 2: Convert to fraction form
    160,541.12/221,695.67 = 120,184.82/x
  3. Step 3: Cross multiply
    160,541.12x = 221,695.67 × 120,184.82
  4. Step 4: Simplify right side
    160,541.12x = 26,644,453,385.71
  5. Step 5: Solve for x
    x = 26,644,453,385.71/160,541.12
  6. Step 6: Final answer
    x = 165,966.53

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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.