Home / 180,732.29-249,406.97-100,158.14

Finding the Fourth Proportional to 180,732.29, 249,406.97 and 100,158.14

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Solution

The fourth proportional to 180,732.29, 249,406.97 and 100,158.14 is: 138,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,732.29 : 249,406.97 = 100,158.14 : x
  2. Step 2: Convert to fraction form
    180,732.29/249,406.97 = 100,158.14/x
  3. Step 3: Cross multiply
    180,732.29x = 249,406.97 × 100,158.14
  4. Step 4: Simplify right side
    180,732.29x = 24,980,138,340.96
  5. Step 5: Solve for x
    x = 24,980,138,340.96/180,732.29
  6. Step 6: Final answer
    x = 138,216.25

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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.