Home / 141,199.17-194,690.23-105,326.91

Finding the Fourth Proportional to 141,199.17, 194,690.23 and 105,326.91

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Solution

The fourth proportional to 141,199.17, 194,690.23 and 105,326.91 is: 145,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,199.17 : 194,690.23 = 105,326.91 : x
  2. Step 2: Convert to fraction form
    141,199.17/194,690.23 = 105,326.91/x
  3. Step 3: Cross multiply
    141,199.17x = 194,690.23 × 105,326.91
  4. Step 4: Simplify right side
    141,199.17x = 20,506,120,114.67
  5. Step 5: Solve for x
    x = 20,506,120,114.67/141,199.17
  6. Step 6: Final answer
    x = 145,228.33

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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.