Home / 140,199.84-193,466.88-83,612.16

Finding the Fourth Proportional to 140,199.84, 193,466.88 and 83,612.16

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Solution

The fourth proportional to 140,199.84, 193,466.88 and 83,612.16 is: 115,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,199.84 : 193,466.88 = 83,612.16 : x
  2. Step 2: Convert to fraction form
    140,199.84/193,466.88 = 83,612.16/x
  3. Step 3: Cross multiply
    140,199.84x = 193,466.88 × 83,612.16
  4. Step 4: Simplify right side
    140,199.84x = 16,176,183,725.26
  5. Step 5: Solve for x
    x = 16,176,183,725.26/140,199.84
  6. Step 6: Final answer
    x = 115,379.47

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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.