Home / 141,101.30-194,719.24-76,570.80

Finding the Fourth Proportional to 141,101.30, 194,719.24 and 76,570.80

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Solution

The fourth proportional to 141,101.30, 194,719.24 and 76,570.80 is: 105,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,101.30 : 194,719.24 = 76,570.80 : x
  2. Step 2: Convert to fraction form
    141,101.30/194,719.24 = 76,570.80/x
  3. Step 3: Cross multiply
    141,101.30x = 194,719.24 × 76,570.80
  4. Step 4: Simplify right side
    141,101.30x = 14,909,807,982.19
  5. Step 5: Solve for x
    x = 14,909,807,982.19/141,101.30
  6. Step 6: Final answer
    x = 105,667.40

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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.