Home / 99,347.50-149,021.61-94,364.38

Finding the Fourth Proportional to 99,347.50, 149,021.61 and 94,364.38

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Solution

The fourth proportional to 99,347.50, 149,021.61 and 94,364.38 is: 141,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,347.50 : 149,021.61 = 94,364.38 : x
  2. Step 2: Convert to fraction form
    99,347.50/149,021.61 = 94,364.38/x
  3. Step 3: Cross multiply
    99,347.50x = 149,021.61 × 94,364.38
  4. Step 4: Simplify right side
    99,347.50x = 14,062,331,834.25
  5. Step 5: Solve for x
    x = 14,062,331,834.25/99,347.50
  6. Step 6: Final answer
    x = 141,546.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.