Home / 180,454.75-249,001.49-99,882.08

Finding the Fourth Proportional to 180,454.75, 249,001.49 and 99,882.08

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Solution

The fourth proportional to 180,454.75, 249,001.49 and 99,882.08 is: 137,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,454.75 : 249,001.49 = 99,882.08 : x
  2. Step 2: Convert to fraction form
    180,454.75/249,001.49 = 99,882.08/x
  3. Step 3: Cross multiply
    180,454.75x = 249,001.49 × 99,882.08
  4. Step 4: Simplify right side
    180,454.75x = 24,870,787,616.51
  5. Step 5: Solve for x
    x = 24,870,787,616.51/180,454.75
  6. Step 6: Final answer
    x = 137,822.85

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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.