Home / 180,675.46-249,321.70-100,098.18

Finding the Fourth Proportional to 180,675.46, 249,321.70 and 100,098.18

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Solution

The fourth proportional to 180,675.46, 249,321.70 and 100,098.18 is: 138,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,675.46 : 249,321.70 = 100,098.18 : x
  2. Step 2: Convert to fraction form
    180,675.46/249,321.70 = 100,098.18/x
  3. Step 3: Cross multiply
    180,675.46x = 249,321.70 × 100,098.18
  4. Step 4: Simplify right side
    180,675.46x = 24,956,647,966.58
  5. Step 5: Solve for x
    x = 24,956,647,966.58/180,675.46
  6. Step 6: Final answer
    x = 138,129.70

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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.