Home / 127,724.76-176,263.86-70,367.76

Finding the Fourth Proportional to 127,724.76, 176,263.86 and 70,367.76

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Solution

The fourth proportional to 127,724.76, 176,263.86 and 70,367.76 is: 97,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,724.76 : 176,263.86 = 70,367.76 : x
  2. Step 2: Convert to fraction form
    127,724.76/176,263.86 = 70,367.76/x
  3. Step 3: Cross multiply
    127,724.76x = 176,263.86 × 70,367.76
  4. Step 4: Simplify right side
    127,724.76x = 12,403,292,997.15
  5. Step 5: Solve for x
    x = 12,403,292,997.15/127,724.76
  6. Step 6: Final answer
    x = 97,109.54

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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.