Home / 180,041.52-269,916.06-74,939.16

Finding the Fourth Proportional to 180,041.52, 269,916.06 and 74,939.16

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Solution

The fourth proportional to 180,041.52, 269,916.06 and 74,939.16 is: 112,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,041.52 : 269,916.06 = 74,939.16 : x
  2. Step 2: Convert to fraction form
    180,041.52/269,916.06 = 74,939.16/x
  3. Step 3: Cross multiply
    180,041.52x = 269,916.06 × 74,939.16
  4. Step 4: Simplify right side
    180,041.52x = 20,227,282,806.91
  5. Step 5: Solve for x
    x = 20,227,282,806.91/180,041.52
  6. Step 6: Final answer
    x = 112,347.88

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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.