Home / 127,877.82-176,467.34-70,519.56

Finding the Fourth Proportional to 127,877.82, 176,467.34 and 70,519.56

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Solution

The fourth proportional to 127,877.82, 176,467.34 and 70,519.56 is: 97,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,877.82 : 176,467.34 = 70,519.56 : x
  2. Step 2: Convert to fraction form
    127,877.82/176,467.34 = 70,519.56/x
  3. Step 3: Cross multiply
    127,877.82x = 176,467.34 × 70,519.56
  4. Step 4: Simplify right side
    127,877.82x = 12,444,398,288.83
  5. Step 5: Solve for x
    x = 12,444,398,288.83/127,877.82
  6. Step 6: Final answer
    x = 97,314.76

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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.