Home / 140,154.90-193,411.07-76,493.16

Finding the Fourth Proportional to 140,154.90, 193,411.07 and 76,493.16

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Solution

The fourth proportional to 140,154.90, 193,411.07 and 76,493.16 is: 105,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,154.90 : 193,411.07 = 76,493.16 : x
  2. Step 2: Convert to fraction form
    140,154.90/193,411.07 = 76,493.16/x
  3. Step 3: Cross multiply
    140,154.90x = 193,411.07 × 76,493.16
  4. Step 4: Simplify right side
    140,154.90x = 14,794,623,923.28
  5. Step 5: Solve for x
    x = 14,794,623,923.28/140,154.90
  6. Step 6: Final answer
    x = 105,559.09

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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.