Home / 180,881.60-249,354.40-127,002.56

Finding the Fourth Proportional to 180,881.60, 249,354.40 and 127,002.56

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Solution

The fourth proportional to 180,881.60, 249,354.40 and 127,002.56 is: 175,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,881.60 : 249,354.40 = 127,002.56 : x
  2. Step 2: Convert to fraction form
    180,881.60/249,354.40 = 127,002.56/x
  3. Step 3: Cross multiply
    180,881.60x = 249,354.40 × 127,002.56
  4. Step 4: Simplify right side
    180,881.60x = 31,668,647,147.26
  5. Step 5: Solve for x
    x = 31,668,647,147.26/180,881.60
  6. Step 6: Final answer
    x = 175,079.43

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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.