Home / 116,872.16-161,271.68-69,116.18

Finding the Fourth Proportional to 116,872.16, 161,271.68 and 69,116.18

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Solution

The fourth proportional to 116,872.16, 161,271.68 and 69,116.18 is: 95,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,872.16 : 161,271.68 = 69,116.18 : x
  2. Step 2: Convert to fraction form
    116,872.16/161,271.68 = 69,116.18/x
  3. Step 3: Cross multiply
    116,872.16x = 161,271.68 × 69,116.18
  4. Step 4: Simplify right side
    116,872.16x = 11,146,482,463.78
  5. Step 5: Solve for x
    x = 11,146,482,463.78/116,872.16
  6. Step 6: Final answer
    x = 95,373.29

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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.