Home / 126,333.81-174,340.89-69,745.23

Finding the Fourth Proportional to 126,333.81, 174,340.89 and 69,745.23

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Solution

The fourth proportional to 126,333.81, 174,340.89 and 69,745.23 is: 96,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,333.81 : 174,340.89 = 69,745.23 : x
  2. Step 2: Convert to fraction form
    126,333.81/174,340.89 = 69,745.23/x
  3. Step 3: Cross multiply
    126,333.81x = 174,340.89 × 69,745.23
  4. Step 4: Simplify right side
    126,333.81x = 12,159,445,471.45
  5. Step 5: Solve for x
    x = 12,159,445,471.45/126,333.81
  6. Step 6: Final answer
    x = 96,248.55

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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.