Home / 180,750.06-249,428.66-100,185.06

Finding the Fourth Proportional to 180,750.06, 249,428.66 and 100,185.06

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Solution

The fourth proportional to 180,750.06, 249,428.66 and 100,185.06 is: 138,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,750.06 : 249,428.66 = 100,185.06 : x
  2. Step 2: Convert to fraction form
    180,750.06/249,428.66 = 100,185.06/x
  3. Step 3: Cross multiply
    180,750.06x = 249,428.66 × 100,185.06
  4. Step 4: Simplify right side
    180,750.06x = 24,989,025,267.82
  5. Step 5: Solve for x
    x = 24,989,025,267.82/180,750.06
  6. Step 6: Final answer
    x = 138,251.82

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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.