Home / 448,684.41-672,881.02-149,084.55

Finding the Fourth Proportional to 448,684.41, 672,881.02 and 149,084.55

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Solution

The fourth proportional to 448,684.41, 672,881.02 and 149,084.55 is: 223,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,684.41 : 672,881.02 = 149,084.55 : x
  2. Step 2: Convert to fraction form
    448,684.41/672,881.02 = 149,084.55/x
  3. Step 3: Cross multiply
    448,684.41x = 672,881.02 × 149,084.55
  4. Step 4: Simplify right side
    448,684.41x = 100,316,159,960.41
  5. Step 5: Solve for x
    x = 100,316,159,960.41/448,684.41
  6. Step 6: Final answer
    x = 223,578.44

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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.