Home / 126,313.16-174,312.13-69,724.52

Finding the Fourth Proportional to 126,313.16, 174,312.13 and 69,724.52

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Solution

The fourth proportional to 126,313.16, 174,312.13 and 69,724.52 is: 96,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.16 : 174,312.13 = 69,724.52 : x
  2. Step 2: Convert to fraction form
    126,313.16/174,312.13 = 69,724.52/x
  3. Step 3: Cross multiply
    126,313.16x = 174,312.13 × 69,724.52
  4. Step 4: Simplify right side
    126,313.16x = 12,153,829,594.43
  5. Step 5: Solve for x
    x = 12,153,829,594.43/126,313.16
  6. Step 6: Final answer
    x = 96,219.82

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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.