Home / 126,975.77-175,228.53-69,620.32

Finding the Fourth Proportional to 126,975.77, 175,228.53 and 69,620.32

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Solution

The fourth proportional to 126,975.77, 175,228.53 and 69,620.32 is: 96,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,975.77 : 175,228.53 = 69,620.32 : x
  2. Step 2: Convert to fraction form
    126,975.77/175,228.53 = 69,620.32/x
  3. Step 3: Cross multiply
    126,975.77x = 175,228.53 × 69,620.32
  4. Step 4: Simplify right side
    126,975.77x = 12,199,466,289.69
  5. Step 5: Solve for x
    x = 12,199,466,289.69/126,975.77
  6. Step 6: Final answer
    x = 96,077.12

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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.