Home / 126,072.80-173,981.52-69,484.32

Finding the Fourth Proportional to 126,072.80, 173,981.52 and 69,484.32

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Solution

The fourth proportional to 126,072.80, 173,981.52 and 69,484.32 is: 95,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,072.80 : 173,981.52 = 69,484.32 : x
  2. Step 2: Convert to fraction form
    126,072.80/173,981.52 = 69,484.32/x
  3. Step 3: Cross multiply
    126,072.80x = 173,981.52 × 69,484.32
  4. Step 4: Simplify right side
    126,072.80x = 12,088,987,609.77
  5. Step 5: Solve for x
    x = 12,088,987,609.77/126,072.80
  6. Step 6: Final answer
    x = 95,888.94

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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.