Home / 180,553.20-249,141.96-111,631.92

Finding the Fourth Proportional to 180,553.20, 249,141.96 and 111,631.92

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Solution

The fourth proportional to 180,553.20, 249,141.96 and 111,631.92 is: 154,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,553.20 : 249,141.96 = 111,631.92 : x
  2. Step 2: Convert to fraction form
    180,553.20/249,141.96 = 111,631.92/x
  3. Step 3: Cross multiply
    180,553.20x = 249,141.96 × 111,631.92
  4. Step 4: Simplify right side
    180,553.20x = 27,812,195,347.36
  5. Step 5: Solve for x
    x = 27,812,195,347.36/180,553.20
  6. Step 6: Final answer
    x = 154,038.78

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1.5x scale

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.