Home / 127,278.50-175,634.04-73,566.98

Finding the Fourth Proportional to 127,278.50, 175,634.04 and 73,566.98

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Solution

The fourth proportional to 127,278.50, 175,634.04 and 73,566.98 is: 101,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,278.50 : 175,634.04 = 73,566.98 : x
  2. Step 2: Convert to fraction form
    127,278.50/175,634.04 = 73,566.98/x
  3. Step 3: Cross multiply
    127,278.50x = 175,634.04 × 73,566.98
  4. Step 4: Simplify right side
    127,278.50x = 12,920,865,908.00
  5. Step 5: Solve for x
    x = 12,920,865,908.00/127,278.50
  6. Step 6: Final answer
    x = 101,516.48

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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.