Home / 194,616.64-291,821.10-99,808.35

Finding the Fourth Proportional to 194,616.64, 291,821.10 and 99,808.35

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Solution

The fourth proportional to 194,616.64, 291,821.10 and 99,808.35 is: 149,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,616.64 : 291,821.10 = 99,808.35 : x
  2. Step 2: Convert to fraction form
    194,616.64/291,821.10 = 99,808.35/x
  3. Step 3: Cross multiply
    194,616.64x = 291,821.10 × 99,808.35
  4. Step 4: Simplify right side
    194,616.64x = 29,126,182,486.19
  5. Step 5: Solve for x
    x = 29,126,182,486.19/194,616.64
  6. Step 6: Final answer
    x = 149,659.26

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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.