Home / 141,189.72-194,845.95-79,931.34

Finding the Fourth Proportional to 141,189.72, 194,845.95 and 79,931.34

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Solution

The fourth proportional to 141,189.72, 194,845.95 and 79,931.34 is: 110,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,189.72 : 194,845.95 = 79,931.34 : x
  2. Step 2: Convert to fraction form
    141,189.72/194,845.95 = 79,931.34/x
  3. Step 3: Cross multiply
    141,189.72x = 194,845.95 × 79,931.34
  4. Step 4: Simplify right side
    141,189.72x = 15,574,297,877.07
  5. Step 5: Solve for x
    x = 15,574,297,877.07/141,189.72
  6. Step 6: Final answer
    x = 110,307.59

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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.