Home / 140,543.71-193,950.25-76,881.49

Finding the Fourth Proportional to 140,543.71, 193,950.25 and 76,881.49

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Solution

The fourth proportional to 140,543.71, 193,950.25 and 76,881.49 is: 106,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,543.71 : 193,950.25 = 76,881.49 : x
  2. Step 2: Convert to fraction form
    140,543.71/193,950.25 = 76,881.49/x
  3. Step 3: Cross multiply
    140,543.71x = 193,950.25 × 76,881.49
  4. Step 4: Simplify right side
    140,543.71x = 14,911,184,205.87
  5. Step 5: Solve for x
    x = 14,911,184,205.87/140,543.71
  6. Step 6: Final answer
    x = 106,096.42

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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.