Home / 180,515.72-249,113.66-99,944.69

Finding the Fourth Proportional to 180,515.72, 249,113.66 and 99,944.69

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Solution

The fourth proportional to 180,515.72, 249,113.66 and 99,944.69 is: 137,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,515.72 : 249,113.66 = 99,944.69 : x
  2. Step 2: Convert to fraction form
    180,515.72/249,113.66 = 99,944.69/x
  3. Step 3: Cross multiply
    180,515.72x = 249,113.66 × 99,944.69
  4. Step 4: Simplify right side
    180,515.72x = 24,897,585,778.17
  5. Step 5: Solve for x
    x = 24,897,585,778.17/180,515.72
  6. Step 6: Final answer
    x = 137,924.76

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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.