Home / 261,980.08-392,641.52-112,044.36

Finding the Fourth Proportional to 261,980.08, 392,641.52 and 112,044.36

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Solution

The fourth proportional to 261,980.08, 392,641.52 and 112,044.36 is: 167,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,980.08 : 392,641.52 = 112,044.36 : x
  2. Step 2: Convert to fraction form
    261,980.08/392,641.52 = 112,044.36/x
  3. Step 3: Cross multiply
    261,980.08x = 392,641.52 × 112,044.36
  4. Step 4: Simplify right side
    261,980.08x = 43,993,267,817.83
  5. Step 5: Solve for x
    x = 43,993,267,817.83/261,980.08
  6. Step 6: Final answer
    x = 167,926.00

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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.