Home / 144,013.55-198,706.90-83,549.18

Finding the Fourth Proportional to 144,013.55, 198,706.90 and 83,549.18

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Solution

The fourth proportional to 144,013.55, 198,706.90 and 83,549.18 is: 115,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,013.55 : 198,706.90 = 83,549.18 : x
  2. Step 2: Convert to fraction form
    144,013.55/198,706.90 = 83,549.18/x
  3. Step 3: Cross multiply
    144,013.55x = 198,706.90 × 83,549.18
  4. Step 4: Simplify right side
    144,013.55x = 16,601,798,555.34
  5. Step 5: Solve for x
    x = 16,601,798,555.34/144,013.55
  6. Step 6: Final answer
    x = 115,279.42

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1.5x scale

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.