Home / 141,335.34-195,043.86-77,674.20

Finding the Fourth Proportional to 141,335.34, 195,043.86 and 77,674.20

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Solution

The fourth proportional to 141,335.34, 195,043.86 and 77,674.20 is: 107,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,335.34 : 195,043.86 = 77,674.20 : x
  2. Step 2: Convert to fraction form
    141,335.34/195,043.86 = 77,674.20/x
  3. Step 3: Cross multiply
    141,335.34x = 195,043.86 × 77,674.20
  4. Step 4: Simplify right side
    141,335.34x = 15,149,875,790.41
  5. Step 5: Solve for x
    x = 15,149,875,790.41/141,335.34
  6. Step 6: Final answer
    x = 107,191.00

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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.