Home / 194,763.40-292,145.10-124,779.40

Finding the Fourth Proportional to 194,763.40, 292,145.10 and 124,779.40

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Solution

The fourth proportional to 194,763.40, 292,145.10 and 124,779.40 is: 187,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,763.40 : 292,145.10 = 124,779.40 : x
  2. Step 2: Convert to fraction form
    194,763.40/292,145.10 = 124,779.40/x
  3. Step 3: Cross multiply
    194,763.40x = 292,145.10 × 124,779.40
  4. Step 4: Simplify right side
    194,763.40x = 36,453,690,290.94
  5. Step 5: Solve for x
    x = 36,453,690,290.94/194,763.40
  6. Step 6: Final answer
    x = 187,169.10

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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.