Home / 104,284.16-155,084.63-100,962.65

Finding the Fourth Proportional to 104,284.16, 155,084.63 and 100,962.65

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Solution

The fourth proportional to 104,284.16, 155,084.63 and 100,962.65 is: 150,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,284.16 : 155,084.63 = 100,962.65 : x
  2. Step 2: Convert to fraction form
    104,284.16/155,084.63 = 100,962.65/x
  3. Step 3: Cross multiply
    104,284.16x = 155,084.63 × 100,962.65
  4. Step 4: Simplify right side
    104,284.16x = 15,657,755,101.97
  5. Step 5: Solve for x
    x = 15,657,755,101.97/104,284.16
  6. Step 6: Final answer
    x = 150,145.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.