Home / 130,302.55-195,482.49-74,169.10

Finding the Fourth Proportional to 130,302.55, 195,482.49 and 74,169.10

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Solution

The fourth proportional to 130,302.55, 195,482.49 and 74,169.10 is: 111,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,302.55 : 195,482.49 = 74,169.10 : x
  2. Step 2: Convert to fraction form
    130,302.55/195,482.49 = 74,169.10/x
  3. Step 3: Cross multiply
    130,302.55x = 195,482.49 × 74,169.10
  4. Step 4: Simplify right side
    130,302.55x = 14,498,760,349.06
  5. Step 5: Solve for x
    x = 14,498,760,349.06/130,302.55
  6. Step 6: Final answer
    x = 111,269.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.