Home / 180,612.24-249,248.91-103,086.33

Finding the Fourth Proportional to 180,612.24, 249,248.91 and 103,086.33

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Solution

The fourth proportional to 180,612.24, 249,248.91 and 103,086.33 is: 142,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,612.24 : 249,248.91 = 103,086.33 : x
  2. Step 2: Convert to fraction form
    180,612.24/249,248.91 = 103,086.33/x
  3. Step 3: Cross multiply
    180,612.24x = 249,248.91 × 103,086.33
  4. Step 4: Simplify right side
    180,612.24x = 25,694,154,840.29
  5. Step 5: Solve for x
    x = 25,694,154,840.29/180,612.24
  6. Step 6: Final answer
    x = 142,261.43

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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.