Home / 140,167.10-193,683.62-99,810.80

Finding the Fourth Proportional to 140,167.10, 193,683.62 and 99,810.80

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Solution

The fourth proportional to 140,167.10, 193,683.62 and 99,810.80 is: 137,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,167.10 : 193,683.62 = 99,810.80 : x
  2. Step 2: Convert to fraction form
    140,167.10/193,683.62 = 99,810.80/x
  3. Step 3: Cross multiply
    140,167.10x = 193,683.62 × 99,810.80
  4. Step 4: Simplify right side
    140,167.10x = 19,331,717,308.62
  5. Step 5: Solve for x
    x = 19,331,717,308.62/140,167.10
  6. Step 6: Final answer
    x = 137,919.08

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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.