Home / 440,148.09-660,467.45-237,740.11

Finding the Fourth Proportional to 440,148.09, 660,467.45 and 237,740.11

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Solution

The fourth proportional to 440,148.09, 660,467.45 and 237,740.11 is: 356,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,148.09 : 660,467.45 = 237,740.11 : x
  2. Step 2: Convert to fraction form
    440,148.09/660,467.45 = 237,740.11/x
  3. Step 3: Cross multiply
    440,148.09x = 660,467.45 × 237,740.11
  4. Step 4: Simplify right side
    440,148.09x = 157,019,601,374.55
  5. Step 5: Solve for x
    x = 157,019,601,374.55/440,148.09
  6. Step 6: Final answer
    x = 356,742.66

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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.