Home / 194,637.74-291,702.26-99,787.55

Finding the Fourth Proportional to 194,637.74, 291,702.26 and 99,787.55

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Solution

The fourth proportional to 194,637.74, 291,702.26 and 99,787.55 is: 149,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,637.74 : 291,702.26 = 99,787.55 : x
  2. Step 2: Convert to fraction form
    194,637.74/291,702.26 = 99,787.55/x
  3. Step 3: Cross multiply
    194,637.74x = 291,702.26 × 99,787.55
  4. Step 4: Simplify right side
    194,637.74x = 29,108,252,645.82
  5. Step 5: Solve for x
    x = 29,108,252,645.82/194,637.74
  6. Step 6: Final answer
    x = 149,550.92

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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.