Home / 180,751.38-249,436.71-100,179.06

Finding the Fourth Proportional to 180,751.38, 249,436.71 and 100,179.06

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Solution

The fourth proportional to 180,751.38, 249,436.71 and 100,179.06 is: 138,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,751.38 : 249,436.71 = 100,179.06 : x
  2. Step 2: Convert to fraction form
    180,751.38/249,436.71 = 100,179.06/x
  3. Step 3: Cross multiply
    180,751.38x = 249,436.71 × 100,179.06
  4. Step 4: Simplify right side
    180,751.38x = 24,988,335,137.29
  5. Step 5: Solve for x
    x = 24,988,335,137.29/180,751.38
  6. Step 6: Final answer
    x = 138,247.00

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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.