Home / 194,987.10-292,253.85-89,816.70

Finding the Fourth Proportional to 194,987.10, 292,253.85 and 89,816.70

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Solution

The fourth proportional to 194,987.10, 292,253.85 and 89,816.70 is: 134,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,987.10 : 292,253.85 = 89,816.70 : x
  2. Step 2: Convert to fraction form
    194,987.10/292,253.85 = 89,816.70/x
  3. Step 3: Cross multiply
    194,987.10x = 292,253.85 × 89,816.70
  4. Step 4: Simplify right side
    194,987.10x = 26,249,276,369.30
  5. Step 5: Solve for x
    x = 26,249,276,369.30/194,987.10
  6. Step 6: Final answer
    x = 134,620.58

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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.