Home / 127,548.88-176,017.96-70,188.42

Finding the Fourth Proportional to 127,548.88, 176,017.96 and 70,188.42

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Solution

The fourth proportional to 127,548.88, 176,017.96 and 70,188.42 is: 96,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,548.88 : 176,017.96 = 70,188.42 : x
  2. Step 2: Convert to fraction form
    127,548.88/176,017.96 = 70,188.42/x
  3. Step 3: Cross multiply
    127,548.88x = 176,017.96 × 70,188.42
  4. Step 4: Simplify right side
    127,548.88x = 12,354,423,251.83
  5. Step 5: Solve for x
    x = 12,354,423,251.83/127,548.88
  6. Step 6: Final answer
    x = 96,860.31

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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.