Home / 194,458.04-291,702.06-74,572.43

Finding the Fourth Proportional to 194,458.04, 291,702.06 and 74,572.43

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Solution

The fourth proportional to 194,458.04, 291,702.06 and 74,572.43 is: 111,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,458.04 : 291,702.06 = 74,572.43 : x
  2. Step 2: Convert to fraction form
    194,458.04/291,702.06 = 74,572.43/x
  3. Step 3: Cross multiply
    194,458.04x = 291,702.06 × 74,572.43
  4. Step 4: Simplify right side
    194,458.04x = 21,752,931,017.21
  5. Step 5: Solve for x
    x = 21,752,931,017.21/194,458.04
  6. Step 6: Final answer
    x = 111,864.39

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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.