Home / 194,712.06-292,068.09-76,439.10

Finding the Fourth Proportional to 194,712.06, 292,068.09 and 76,439.10

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Solution

The fourth proportional to 194,712.06, 292,068.09 and 76,439.10 is: 114,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,712.06 : 292,068.09 = 76,439.10 : x
  2. Step 2: Convert to fraction form
    194,712.06/292,068.09 = 76,439.10/x
  3. Step 3: Cross multiply
    194,712.06x = 292,068.09 × 76,439.10
  4. Step 4: Simplify right side
    194,712.06x = 22,325,421,938.32
  5. Step 5: Solve for x
    x = 22,325,421,938.32/194,712.06
  6. Step 6: Final answer
    x = 114,658.65

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1.5x scale

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.