Home / 119,564.98-165,000.85-65,851.65

Finding the Fourth Proportional to 119,564.98, 165,000.85 and 65,851.65

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Solution

The fourth proportional to 119,564.98, 165,000.85 and 65,851.65 is: 90,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,564.98 : 165,000.85 = 65,851.65 : x
  2. Step 2: Convert to fraction form
    119,564.98/165,000.85 = 65,851.65/x
  3. Step 3: Cross multiply
    119,564.98x = 165,000.85 × 65,851.65
  4. Step 4: Simplify right side
    119,564.98x = 10,865,578,059.27
  5. Step 5: Solve for x
    x = 10,865,578,059.27/119,564.98
  6. Step 6: Final answer
    x = 90,875.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.