Home / 141,810.06-195,699.20-78,150.14

Finding the Fourth Proportional to 141,810.06, 195,699.20 and 78,150.14

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Solution

The fourth proportional to 141,810.06, 195,699.20 and 78,150.14 is: 107,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,810.06 : 195,699.20 = 78,150.14 : x
  2. Step 2: Convert to fraction form
    141,810.06/195,699.20 = 78,150.14/x
  3. Step 3: Cross multiply
    141,810.06x = 195,699.20 × 78,150.14
  4. Step 4: Simplify right side
    141,810.06x = 15,293,919,877.89
  5. Step 5: Solve for x
    x = 15,293,919,877.89/141,810.06
  6. Step 6: Final answer
    x = 107,847.92

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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.