Home / 126,005.10-173,896.47-69,416.70

Finding the Fourth Proportional to 126,005.10, 173,896.47 and 69,416.70

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Solution

The fourth proportional to 126,005.10, 173,896.47 and 69,416.70 is: 95,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.10 : 173,896.47 = 69,416.70 : x
  2. Step 2: Convert to fraction form
    126,005.10/173,896.47 = 69,416.70/x
  3. Step 3: Cross multiply
    126,005.10x = 173,896.47 × 69,416.70
  4. Step 4: Simplify right side
    126,005.10x = 12,071,319,089.05
  5. Step 5: Solve for x
    x = 12,071,319,089.05/126,005.10
  6. Step 6: Final answer
    x = 95,800.24

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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.