Home / 140,099.22-193,337.55-76,438.35

Finding the Fourth Proportional to 140,099.22, 193,337.55 and 76,438.35

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Solution

The fourth proportional to 140,099.22, 193,337.55 and 76,438.35 is: 105,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,099.22 : 193,337.55 = 76,438.35 : x
  2. Step 2: Convert to fraction form
    140,099.22/193,337.55 = 76,438.35/x
  3. Step 3: Cross multiply
    140,099.22x = 193,337.55 × 76,438.35
  4. Step 4: Simplify right side
    140,099.22x = 14,778,403,315.04
  5. Step 5: Solve for x
    x = 14,778,403,315.04/140,099.22
  6. Step 6: Final answer
    x = 105,485.26

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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.