Home / 141,611.60-195,424.05-77,948.93

Finding the Fourth Proportional to 141,611.60, 195,424.05 and 77,948.93

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Solution

The fourth proportional to 141,611.60, 195,424.05 and 77,948.93 is: 107,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,611.60 : 195,424.05 = 77,948.93 : x
  2. Step 2: Convert to fraction form
    141,611.60/195,424.05 = 77,948.93/x
  3. Step 3: Cross multiply
    141,611.60x = 195,424.05 × 77,948.93
  4. Step 4: Simplify right side
    141,611.60x = 15,233,095,593.77
  5. Step 5: Solve for x
    x = 15,233,095,593.77/141,611.60
  6. Step 6: Final answer
    x = 107,569.55

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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.