Home / 140,176.55-193,357.45-99,903.35

Finding the Fourth Proportional to 140,176.55, 193,357.45 and 99,903.35

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Solution

The fourth proportional to 140,176.55, 193,357.45 and 99,903.35 is: 137,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,176.55 : 193,357.45 = 99,903.35 : x
  2. Step 2: Convert to fraction form
    140,176.55/193,357.45 = 99,903.35/x
  3. Step 3: Cross multiply
    140,176.55x = 193,357.45 × 99,903.35
  4. Step 4: Simplify right side
    140,176.55x = 19,317,057,002.46
  5. Step 5: Solve for x
    x = 19,317,057,002.46/140,176.55
  6. Step 6: Final answer
    x = 137,805.20

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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.