Home / 141,161.42-194,803.09-77,503.32

Finding the Fourth Proportional to 141,161.42, 194,803.09 and 77,503.32

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Solution

The fourth proportional to 141,161.42, 194,803.09 and 77,503.32 is: 106,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.42 : 194,803.09 = 77,503.32 : x
  2. Step 2: Convert to fraction form
    141,161.42/194,803.09 = 77,503.32/x
  3. Step 3: Cross multiply
    141,161.42x = 194,803.09 × 77,503.32
  4. Step 4: Simplify right side
    141,161.42x = 15,097,886,221.26
  5. Step 5: Solve for x
    x = 15,097,886,221.26/141,161.42
  6. Step 6: Final answer
    x = 106,954.76

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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.