Home / 194,148.09-291,335.13-75,813.57

Finding the Fourth Proportional to 194,148.09, 291,335.13 and 75,813.57

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Solution

The fourth proportional to 194,148.09, 291,335.13 and 75,813.57 is: 113,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,148.09 : 291,335.13 = 75,813.57 : x
  2. Step 2: Convert to fraction form
    194,148.09/291,335.13 = 75,813.57/x
  3. Step 3: Cross multiply
    194,148.09x = 291,335.13 × 75,813.57
  4. Step 4: Simplify right side
    194,148.09x = 22,087,156,271.71
  5. Step 5: Solve for x
    x = 22,087,156,271.71/194,148.09
  6. Step 6: Final answer
    x = 113,764.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.