Home / 146,139.30-219,043.02-61,846.86

Finding the Fourth Proportional to 146,139.30, 219,043.02 and 61,846.86

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Solution

The fourth proportional to 146,139.30, 219,043.02 and 61,846.86 is: 92,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139.30 : 219,043.02 = 61,846.86 : x
  2. Step 2: Convert to fraction form
    146,139.30/219,043.02 = 61,846.86/x
  3. Step 3: Cross multiply
    146,139.30x = 219,043.02 × 61,846.86
  4. Step 4: Simplify right side
    146,139.30x = 13,547,122,991.92
  5. Step 5: Solve for x
    x = 13,547,122,991.92/146,139.30
  6. Step 6: Final answer
    x = 92,700.07

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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.