Home / 148,988.75-223,623.57-54,310.45

Finding the Fourth Proportional to 148,988.75, 223,623.57 and 54,310.45

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Solution

The fourth proportional to 148,988.75, 223,623.57 and 54,310.45 is: 81,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,988.75 : 223,623.57 = 54,310.45 : x
  2. Step 2: Convert to fraction form
    148,988.75/223,623.57 = 54,310.45/x
  3. Step 3: Cross multiply
    148,988.75x = 223,623.57 × 54,310.45
  4. Step 4: Simplify right side
    148,988.75x = 12,145,095,599.19
  5. Step 5: Solve for x
    x = 12,145,095,599.19/148,988.75
  6. Step 6: Final answer
    x = 81,516.86

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1.5x scale

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.