Home / 438,250.84-657,293.23-153,874.55

Finding the Fourth Proportional to 438,250.84, 657,293.23 and 153,874.55

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Solution

The fourth proportional to 438,250.84, 657,293.23 and 153,874.55 is: 230,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,250.84 : 657,293.23 = 153,874.55 : x
  2. Step 2: Convert to fraction form
    438,250.84/657,293.23 = 153,874.55/x
  3. Step 3: Cross multiply
    438,250.84x = 657,293.23 × 153,874.55
  4. Step 4: Simplify right side
    438,250.84x = 101,140,701,819.87
  5. Step 5: Solve for x
    x = 101,140,701,819.87/438,250.84
  6. Step 6: Final answer
    x = 230,782.68

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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.