Home / 141,070.95-194,677.93-80,642.93

Finding the Fourth Proportional to 141,070.95, 194,677.93 and 80,642.93

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Solution

The fourth proportional to 141,070.95, 194,677.93 and 80,642.93 is: 111,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,070.95 : 194,677.93 = 80,642.93 : x
  2. Step 2: Convert to fraction form
    141,070.95/194,677.93 = 80,642.93/x
  3. Step 3: Cross multiply
    141,070.95x = 194,677.93 × 80,642.93
  4. Step 4: Simplify right side
    141,070.95x = 15,699,397,808.95
  5. Step 5: Solve for x
    x = 15,699,397,808.95/141,070.95
  6. Step 6: Final answer
    x = 111,287.25

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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.