Home / 127,701.95-176,233.23-79,330.37

Finding the Fourth Proportional to 127,701.95, 176,233.23 and 79,330.37

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Solution

The fourth proportional to 127,701.95, 176,233.23 and 79,330.37 is: 109,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.95 : 176,233.23 = 79,330.37 : x
  2. Step 2: Convert to fraction form
    127,701.95/176,233.23 = 79,330.37/x
  3. Step 3: Cross multiply
    127,701.95x = 176,233.23 × 79,330.37
  4. Step 4: Simplify right side
    127,701.95x = 13,980,646,461.03
  5. Step 5: Solve for x
    x = 13,980,646,461.03/127,701.95
  6. Step 6: Final answer
    x = 109,478.73

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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.