Home / 130,305.16-195,516.06-74,901.16

Finding the Fourth Proportional to 130,305.16, 195,516.06 and 74,901.16

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Solution

The fourth proportional to 130,305.16, 195,516.06 and 74,901.16 is: 112,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,305.16 : 195,516.06 = 74,901.16 : x
  2. Step 2: Convert to fraction form
    130,305.16/195,516.06 = 74,901.16/x
  3. Step 3: Cross multiply
    130,305.16x = 195,516.06 × 74,901.16
  4. Step 4: Simplify right side
    130,305.16x = 14,644,379,692.63
  5. Step 5: Solve for x
    x = 14,644,379,692.63/130,305.16
  6. Step 6: Final answer
    x = 112,385.26

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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.