Home / 440,985.33-661,442.09-141,385.23

Finding the Fourth Proportional to 440,985.33, 661,442.09 and 141,385.23

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Solution

The fourth proportional to 440,985.33, 661,442.09 and 141,385.23 is: 212,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,985.33 : 661,442.09 = 141,385.23 : x
  2. Step 2: Convert to fraction form
    440,985.33/661,442.09 = 141,385.23/x
  3. Step 3: Cross multiply
    440,985.33x = 661,442.09 × 141,385.23
  4. Step 4: Simplify right side
    440,985.33x = 93,518,141,319.40
  5. Step 5: Solve for x
    x = 93,518,141,319.40/440,985.33
  6. Step 6: Final answer
    x = 212,066.33

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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.