Home / 194,061.68-291,000.35-67,686.58

Finding the Fourth Proportional to 194,061.68, 291,000.35 and 67,686.58

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Solution

The fourth proportional to 194,061.68, 291,000.35 and 67,686.58 is: 101,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,061.68 : 291,000.35 = 67,686.58 : x
  2. Step 2: Convert to fraction form
    194,061.68/291,000.35 = 67,686.58/x
  3. Step 3: Cross multiply
    194,061.68x = 291,000.35 × 67,686.58
  4. Step 4: Simplify right side
    194,061.68x = 19,696,818,131.87
  5. Step 5: Solve for x
    x = 19,696,818,131.87/194,061.68
  6. Step 6: Final answer
    x = 101,497.72

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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.