Home / 194,868.80-291,784.80-124,366.40

Finding the Fourth Proportional to 194,868.80, 291,784.80 and 124,366.40

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Solution

The fourth proportional to 194,868.80, 291,784.80 and 124,366.40 is: 186,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,868.80 : 291,784.80 = 124,366.40 : x
  2. Step 2: Convert to fraction form
    194,868.80/291,784.80 = 124,366.40/x
  3. Step 3: Cross multiply
    194,868.80x = 291,784.80 × 124,366.40
  4. Step 4: Simplify right side
    194,868.80x = 36,288,225,150.72
  5. Step 5: Solve for x
    x = 36,288,225,150.72/194,868.80
  6. Step 6: Final answer
    x = 186,218.75

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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.