Home / 148,092.55-204,302.79-86,807.68

Finding the Fourth Proportional to 148,092.55, 204,302.79 and 86,807.68

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Solution

The fourth proportional to 148,092.55, 204,302.79 and 86,807.68 is: 119,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,092.55 : 204,302.79 = 86,807.68 : x
  2. Step 2: Convert to fraction form
    148,092.55/204,302.79 = 86,807.68/x
  3. Step 3: Cross multiply
    148,092.55x = 204,302.79 × 86,807.68
  4. Step 4: Simplify right side
    148,092.55x = 17,735,050,706.67
  5. Step 5: Solve for x
    x = 17,735,050,706.67/148,092.55
  6. Step 6: Final answer
    x = 119,756.54

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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.