Home / 180,780.52-249,329.22-127,242.76

Finding the Fourth Proportional to 180,780.52, 249,329.22 and 127,242.76

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Solution

The fourth proportional to 180,780.52, 249,329.22 and 127,242.76 is: 175,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,780.52 : 249,329.22 = 127,242.76 : x
  2. Step 2: Convert to fraction form
    180,780.52/249,329.22 = 127,242.76/x
  3. Step 3: Cross multiply
    180,780.52x = 249,329.22 × 127,242.76
  4. Step 4: Simplify right side
    180,780.52x = 31,725,338,101.45
  5. Step 5: Solve for x
    x = 31,725,338,101.45/180,780.52
  6. Step 6: Final answer
    x = 175,490.91

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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.