Home / 194,139.90-291,209.85-154,482.30

Finding the Fourth Proportional to 194,139.90, 291,209.85 and 154,482.30

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Solution

The fourth proportional to 194,139.90, 291,209.85 and 154,482.30 is: 231,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,139.90 : 291,209.85 = 154,482.30 : x
  2. Step 2: Convert to fraction form
    194,139.90/291,209.85 = 154,482.30/x
  3. Step 3: Cross multiply
    194,139.90x = 291,209.85 × 154,482.30
  4. Step 4: Simplify right side
    194,139.90x = 44,986,767,410.66
  5. Step 5: Solve for x
    x = 44,986,767,410.66/194,139.90
  6. Step 6: Final answer
    x = 231,723.45

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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.