Home / 126,237.28-174,207-69,648.34

Finding the Fourth Proportional to 126,237.28, 174,207 and 69,648.34

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Solution

The fourth proportional to 126,237.28, 174,207 and 69,648.34 is: 96,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,237.28 : 174,207 = 69,648.34 : x
  2. Step 2: Convert to fraction form
    126,237.28/174,207 = 69,648.34/x
  3. Step 3: Cross multiply
    126,237.28x = 174,207 × 69,648.34
  4. Step 4: Simplify right side
    126,237.28x = 12,133,228,366.38
  5. Step 5: Solve for x
    x = 12,133,228,366.38/126,237.28
  6. Step 6: Final answer
    x = 96,114.46

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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.