Home / 195,130.40-292,633.32-61,979.50

Finding the Fourth Proportional to 195,130.40, 292,633.32 and 61,979.50

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Solution

The fourth proportional to 195,130.40, 292,633.32 and 61,979.50 is: 92,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,130.40 : 292,633.32 = 61,979.50 : x
  2. Step 2: Convert to fraction form
    195,130.40/292,633.32 = 61,979.50/x
  3. Step 3: Cross multiply
    195,130.40x = 292,633.32 × 61,979.50
  4. Step 4: Simplify right side
    195,130.40x = 18,137,266,856.94
  5. Step 5: Solve for x
    x = 18,137,266,856.94/195,130.40
  6. Step 6: Final answer
    x = 92,949.47

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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.