Home / 126,313.76-174,313-69,725.14

Finding the Fourth Proportional to 126,313.76, 174,313 and 69,725.14

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Solution

The fourth proportional to 126,313.76, 174,313 and 69,725.14 is: 96,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.76 : 174,313 = 69,725.14 : x
  2. Step 2: Convert to fraction form
    126,313.76/174,313 = 69,725.14/x
  3. Step 3: Cross multiply
    126,313.76x = 174,313 × 69,725.14
  4. Step 4: Simplify right side
    126,313.76x = 12,153,998,328.82
  5. Step 5: Solve for x
    x = 12,153,998,328.82/126,313.76
  6. Step 6: Final answer
    x = 96,220.70

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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.