Home / 180,676.59-249,420.36-127,007.61

Finding the Fourth Proportional to 180,676.59, 249,420.36 and 127,007.61

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Solution

The fourth proportional to 180,676.59, 249,420.36 and 127,007.61 is: 175,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,676.59 : 249,420.36 = 127,007.61 : x
  2. Step 2: Convert to fraction form
    180,676.59/249,420.36 = 127,007.61/x
  3. Step 3: Cross multiply
    180,676.59x = 249,420.36 × 127,007.61
  4. Step 4: Simplify right side
    180,676.59x = 31,678,283,808.94
  5. Step 5: Solve for x
    x = 31,678,283,808.94/180,676.59
  6. Step 6: Final answer
    x = 175,331.42

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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.