Home / 194,743.70-292,115.55-190,807.10

Finding the Fourth Proportional to 194,743.70, 292,115.55 and 190,807.10

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Solution

The fourth proportional to 194,743.70, 292,115.55 and 190,807.10 is: 286,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,743.70 : 292,115.55 = 190,807.10 : x
  2. Step 2: Convert to fraction form
    194,743.70/292,115.55 = 190,807.10/x
  3. Step 3: Cross multiply
    194,743.70x = 292,115.55 × 190,807.10
  4. Step 4: Simplify right side
    194,743.70x = 55,737,720,960.41
  5. Step 5: Solve for x
    x = 55,737,720,960.41/194,743.70
  6. Step 6: Final answer
    x = 286,210.65

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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.