Home / 126,127-174,056.46-69,540.40

Finding the Fourth Proportional to 126,127, 174,056.46 and 69,540.40

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Solution

The fourth proportional to 126,127, 174,056.46 and 69,540.40 is: 95,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,127 : 174,056.46 = 69,540.40 : x
  2. Step 2: Convert to fraction form
    126,127/174,056.46 = 69,540.40/x
  3. Step 3: Cross multiply
    126,127x = 174,056.46 × 69,540.40
  4. Step 4: Simplify right side
    126,127x = 12,103,955,850.98
  5. Step 5: Solve for x
    x = 12,103,955,850.98/126,127
  6. Step 6: Final answer
    x = 95,966.41

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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.