Home / 141,501.56-195,267.36-77,838.80

Finding the Fourth Proportional to 141,501.56, 195,267.36 and 77,838.80

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Solution

The fourth proportional to 141,501.56, 195,267.36 and 77,838.80 is: 107,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,501.56 : 195,267.36 = 77,838.80 : x
  2. Step 2: Convert to fraction form
    141,501.56/195,267.36 = 77,838.80/x
  3. Step 3: Cross multiply
    141,501.56x = 195,267.36 × 77,838.80
  4. Step 4: Simplify right side
    141,501.56x = 15,199,376,981.57
  5. Step 5: Solve for x
    x = 15,199,376,981.57/141,501.56
  6. Step 6: Final answer
    x = 107,414.91

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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.