Home / 129,444.54-194,166.81-40,705.80

Finding the Fourth Proportional to 129,444.54, 194,166.81 and 40,705.80

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Solution

The fourth proportional to 129,444.54, 194,166.81 and 40,705.80 is: 61,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,444.54 : 194,166.81 = 40,705.80 : x
  2. Step 2: Convert to fraction form
    129,444.54/194,166.81 = 40,705.80/x
  3. Step 3: Cross multiply
    129,444.54x = 194,166.81 × 40,705.80
  4. Step 4: Simplify right side
    129,444.54x = 7,903,715,334.50
  5. Step 5: Solve for x
    x = 7,903,715,334.50/129,444.54
  6. Step 6: Final answer
    x = 61,058.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.