Home / 140,933.79-211,300.27-66,012.93

Finding the Fourth Proportional to 140,933.79, 211,300.27 and 66,012.93

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Solution

The fourth proportional to 140,933.79, 211,300.27 and 66,012.93 is: 98,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933.79 : 211,300.27 = 66,012.93 : x
  2. Step 2: Convert to fraction form
    140,933.79/211,300.27 = 66,012.93/x
  3. Step 3: Cross multiply
    140,933.79x = 211,300.27 × 66,012.93
  4. Step 4: Simplify right side
    140,933.79x = 13,948,549,767.46
  5. Step 5: Solve for x
    x = 13,948,549,767.46/140,933.79
  6. Step 6: Final answer
    x = 98,972.36

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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.