Home / 97,161.72-134,145.08-79,299.33

Finding the Fourth Proportional to 97,161.72, 134,145.08 and 79,299.33

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Solution

The fourth proportional to 97,161.72, 134,145.08 and 79,299.33 is: 109,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,161.72 : 134,145.08 = 79,299.33 : x
  2. Step 2: Convert to fraction form
    97,161.72/134,145.08 = 79,299.33/x
  3. Step 3: Cross multiply
    97,161.72x = 134,145.08 × 79,299.33
  4. Step 4: Simplify right side
    97,161.72x = 10,637,614,966.80
  5. Step 5: Solve for x
    x = 10,637,614,966.80/97,161.72
  6. Step 6: Final answer
    x = 109,483.60

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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.