Home / 141,666.51-195,455.91-80,402.85

Finding the Fourth Proportional to 141,666.51, 195,455.91 and 80,402.85

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Solution

The fourth proportional to 141,666.51, 195,455.91 and 80,402.85 is: 110,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,666.51 : 195,455.91 = 80,402.85 : x
  2. Step 2: Convert to fraction form
    141,666.51/195,455.91 = 80,402.85/x
  3. Step 3: Cross multiply
    141,666.51x = 195,455.91 × 80,402.85
  4. Step 4: Simplify right side
    141,666.51x = 15,715,212,213.34
  5. Step 5: Solve for x
    x = 15,715,212,213.34/141,666.51
  6. Step 6: Final answer
    x = 110,931.03

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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.