Home / 116,531.04-160,812.28-66,230

Finding the Fourth Proportional to 116,531.04, 160,812.28 and 66,230

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Solution

The fourth proportional to 116,531.04, 160,812.28 and 66,230 is: 91,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,531.04 : 160,812.28 = 66,230 : x
  2. Step 2: Convert to fraction form
    116,531.04/160,812.28 = 66,230/x
  3. Step 3: Cross multiply
    116,531.04x = 160,812.28 × 66,230
  4. Step 4: Simplify right side
    116,531.04x = 10,650,597,304.40
  5. Step 5: Solve for x
    x = 10,650,597,304.40/116,531.04
  6. Step 6: Final answer
    x = 91,397.08

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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.