Home / 180,557.23-249,165.90-99,983.02

Finding the Fourth Proportional to 180,557.23, 249,165.90 and 99,983.02

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Solution

The fourth proportional to 180,557.23, 249,165.90 and 99,983.02 is: 137,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,557.23 : 249,165.90 = 99,983.02 : x
  2. Step 2: Convert to fraction form
    180,557.23/249,165.90 = 99,983.02/x
  3. Step 3: Cross multiply
    180,557.23x = 249,165.90 × 99,983.02
  4. Step 4: Simplify right side
    180,557.23x = 24,912,359,163.02
  5. Step 5: Solve for x
    x = 24,912,359,163.02/180,557.23
  6. Step 6: Final answer
    x = 137,974.86

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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.