Home / 126,113.72-174,038.15-69,527.12

Finding the Fourth Proportional to 126,113.72, 174,038.15 and 69,527.12

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Solution

The fourth proportional to 126,113.72, 174,038.15 and 69,527.12 is: 95,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.72 : 174,038.15 = 69,527.12 : x
  2. Step 2: Convert to fraction form
    126,113.72/174,038.15 = 69,527.12/x
  3. Step 3: Cross multiply
    126,113.72x = 174,038.15 × 69,527.12
  4. Step 4: Simplify right side
    126,113.72x = 12,100,370,991.99
  5. Step 5: Solve for x
    x = 12,100,370,991.99/126,113.72
  6. Step 6: Final answer
    x = 95,948.09

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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.