Home / 195,760.80-293,641.20-194,378.40

Finding the Fourth Proportional to 195,760.80, 293,641.20 and 194,378.40

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Solution

The fourth proportional to 195,760.80, 293,641.20 and 194,378.40 is: 291,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,760.80 : 293,641.20 = 194,378.40 : x
  2. Step 2: Convert to fraction form
    195,760.80/293,641.20 = 194,378.40/x
  3. Step 3: Cross multiply
    195,760.80x = 293,641.20 × 194,378.40
  4. Step 4: Simplify right side
    195,760.80x = 57,077,506,630.08
  5. Step 5: Solve for x
    x = 57,077,506,630.08/195,760.80
  6. Step 6: Final answer
    x = 291,567.60

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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.