Home / 180,854.66-249,575.19-100,281.44

Finding the Fourth Proportional to 180,854.66, 249,575.19 and 100,281.44

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Solution

The fourth proportional to 180,854.66, 249,575.19 and 100,281.44 is: 138,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,854.66 : 249,575.19 = 100,281.44 : x
  2. Step 2: Convert to fraction form
    180,854.66/249,575.19 = 100,281.44/x
  3. Step 3: Cross multiply
    180,854.66x = 249,575.19 × 100,281.44
  4. Step 4: Simplify right side
    180,854.66x = 25,027,759,441.47
  5. Step 5: Solve for x
    x = 25,027,759,441.47/180,854.66
  6. Step 6: Final answer
    x = 138,386.04

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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.