Home / 194,913.18-292,168.89-74,937.60

Finding the Fourth Proportional to 194,913.18, 292,168.89 and 74,937.60

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Solution

The fourth proportional to 194,913.18, 292,168.89 and 74,937.60 is: 112,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,913.18 : 292,168.89 = 74,937.60 : x
  2. Step 2: Convert to fraction form
    194,913.18/292,168.89 = 74,937.60/x
  3. Step 3: Cross multiply
    194,913.18x = 292,168.89 × 74,937.60
  4. Step 4: Simplify right side
    194,913.18x = 21,894,435,411.26
  5. Step 5: Solve for x
    x = 21,894,435,411.26/194,913.18
  6. Step 6: Final answer
    x = 112,329.17

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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.