Home / 126,557.84-174,653.34-69,972.86

Finding the Fourth Proportional to 126,557.84, 174,653.34 and 69,972.86

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Solution

The fourth proportional to 126,557.84, 174,653.34 and 69,972.86 is: 96,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,557.84 : 174,653.34 = 69,972.86 : x
  2. Step 2: Convert to fraction form
    126,557.84/174,653.34 = 69,972.86/x
  3. Step 3: Cross multiply
    126,557.84x = 174,653.34 × 69,972.86
  4. Step 4: Simplify right side
    126,557.84x = 12,220,993,708.35
  5. Step 5: Solve for x
    x = 12,220,993,708.35/126,557.84
  6. Step 6: Final answer
    x = 96,564.49

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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.