Home / 110,217.85-152,090.90-61,160.70

Finding the Fourth Proportional to 110,217.85, 152,090.90 and 61,160.70

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Solution

The fourth proportional to 110,217.85, 152,090.90 and 61,160.70 is: 84,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,217.85 : 152,090.90 = 61,160.70 : x
  2. Step 2: Convert to fraction form
    110,217.85/152,090.90 = 61,160.70/x
  3. Step 3: Cross multiply
    110,217.85x = 152,090.90 × 61,160.70
  4. Step 4: Simplify right side
    110,217.85x = 9,301,985,601.83
  5. Step 5: Solve for x
    x = 9,301,985,601.83/110,217.85
  6. Step 6: Final answer
    x = 84,396.36

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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.