Home / 127,920.44-176,530.89-70,561.77

Finding the Fourth Proportional to 127,920.44, 176,530.89 and 70,561.77

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Solution

The fourth proportional to 127,920.44, 176,530.89 and 70,561.77 is: 97,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920.44 : 176,530.89 = 70,561.77 : x
  2. Step 2: Convert to fraction form
    127,920.44/176,530.89 = 70,561.77/x
  3. Step 3: Cross multiply
    127,920.44x = 176,530.89 × 70,561.77
  4. Step 4: Simplify right side
    127,920.44x = 12,456,332,058.08
  5. Step 5: Solve for x
    x = 12,456,332,058.08/127,920.44
  6. Step 6: Final answer
    x = 97,375.62

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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.