Home / 112,310.65-155,152.65-97,177.04

Finding the Fourth Proportional to 112,310.65, 155,152.65 and 97,177.04

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Solution

The fourth proportional to 112,310.65, 155,152.65 and 97,177.04 is: 134,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.65 : 155,152.65 = 97,177.04 : x
  2. Step 2: Convert to fraction form
    112,310.65/155,152.65 = 97,177.04/x
  3. Step 3: Cross multiply
    112,310.65x = 155,152.65 × 97,177.04
  4. Step 4: Simplify right side
    112,310.65x = 15,077,274,499.39
  5. Step 5: Solve for x
    x = 15,077,274,499.39/112,310.65
  6. Step 6: Final answer
    x = 134,246.17

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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.