Home / 141,212.25-194,824.18-90,254.81

Finding the Fourth Proportional to 141,212.25, 194,824.18 and 90,254.81

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Solution

The fourth proportional to 141,212.25, 194,824.18 and 90,254.81 is: 124,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,212.25 : 194,824.18 = 90,254.81 : x
  2. Step 2: Convert to fraction form
    141,212.25/194,824.18 = 90,254.81/x
  3. Step 3: Cross multiply
    141,212.25x = 194,824.18 × 90,254.81
  4. Step 4: Simplify right side
    141,212.25x = 17,583,819,349.31
  5. Step 5: Solve for x
    x = 17,583,819,349.31/141,212.25
  6. Step 6: Final answer
    x = 124,520.50

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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.