Home / 141,364.84-195,084.57-77,703.70

Finding the Fourth Proportional to 141,364.84, 195,084.57 and 77,703.70

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Solution

The fourth proportional to 141,364.84, 195,084.57 and 77,703.70 is: 107,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,364.84 : 195,084.57 = 77,703.70 : x
  2. Step 2: Convert to fraction form
    141,364.84/195,084.57 = 77,703.70/x
  3. Step 3: Cross multiply
    141,364.84x = 195,084.57 × 77,703.70
  4. Step 4: Simplify right side
    141,364.84x = 15,158,792,901.91
  5. Step 5: Solve for x
    x = 15,158,792,901.91/141,364.84
  6. Step 6: Final answer
    x = 107,231.71

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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.