Home / 194,428.80-291,643.20-114,712.65

Finding the Fourth Proportional to 194,428.80, 291,643.20 and 114,712.65

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Solution

The fourth proportional to 194,428.80, 291,643.20 and 114,712.65 is: 172,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,428.80 : 291,643.20 = 114,712.65 : x
  2. Step 2: Convert to fraction form
    194,428.80/291,643.20 = 114,712.65/x
  3. Step 3: Cross multiply
    194,428.80x = 291,643.20 × 114,712.65
  4. Step 4: Simplify right side
    194,428.80x = 33,455,164,326.48
  5. Step 5: Solve for x
    x = 33,455,164,326.48/194,428.80
  6. Step 6: Final answer
    x = 172,068.98

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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.