Home / 194,619.40-292,058.70-89,384.20

Finding the Fourth Proportional to 194,619.40, 292,058.70 and 89,384.20

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Solution

The fourth proportional to 194,619.40, 292,058.70 and 89,384.20 is: 134,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,619.40 : 292,058.70 = 89,384.20 : x
  2. Step 2: Convert to fraction form
    194,619.40/292,058.70 = 89,384.20/x
  3. Step 3: Cross multiply
    194,619.40x = 292,058.70 × 89,384.20
  4. Step 4: Simplify right side
    194,619.40x = 26,105,433,252.54
  5. Step 5: Solve for x
    x = 26,105,433,252.54/194,619.40
  6. Step 6: Final answer
    x = 134,135.82

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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.