Home / 140,693.50-211,092.09-74,130.94

Finding the Fourth Proportional to 140,693.50, 211,092.09 and 74,130.94

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Solution

The fourth proportional to 140,693.50, 211,092.09 and 74,130.94 is: 111,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,693.50 : 211,092.09 = 74,130.94 : x
  2. Step 2: Convert to fraction form
    140,693.50/211,092.09 = 74,130.94/x
  3. Step 3: Cross multiply
    140,693.50x = 211,092.09 × 74,130.94
  4. Step 4: Simplify right side
    140,693.50x = 15,648,455,058.26
  5. Step 5: Solve for x
    x = 15,648,455,058.26/140,693.50
  6. Step 6: Final answer
    x = 111,223.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.