Home / 141,787.01-195,679.86-105,914.74

Finding the Fourth Proportional to 141,787.01, 195,679.86 and 105,914.74

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Solution

The fourth proportional to 141,787.01, 195,679.86 and 105,914.74 is: 146,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,787.01 : 195,679.86 = 105,914.74 : x
  2. Step 2: Convert to fraction form
    141,787.01/195,679.86 = 105,914.74/x
  3. Step 3: Cross multiply
    141,787.01x = 195,679.86 × 105,914.74
  4. Step 4: Simplify right side
    141,787.01x = 20,725,381,495.14
  5. Step 5: Solve for x
    x = 20,725,381,495.14/141,787.01
  6. Step 6: Final answer
    x = 146,172.64

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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.