Home / 127,229.50-175,576.74-70,641.28

Finding the Fourth Proportional to 127,229.50, 175,576.74 and 70,641.28

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Solution

The fourth proportional to 127,229.50, 175,576.74 and 70,641.28 is: 97,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,229.50 : 175,576.74 = 70,641.28 : x
  2. Step 2: Convert to fraction form
    127,229.50/175,576.74 = 70,641.28/x
  3. Step 3: Cross multiply
    127,229.50x = 175,576.74 × 70,641.28
  4. Step 4: Simplify right side
    127,229.50x = 12,402,965,651.83
  5. Step 5: Solve for x
    x = 12,402,965,651.83/127,229.50
  6. Step 6: Final answer
    x = 97,484.98

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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.