Home / 325,851.18-488,140.42-154,829.50

Finding the Fourth Proportional to 325,851.18, 488,140.42 and 154,829.50

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Solution

The fourth proportional to 325,851.18, 488,140.42 and 154,829.50 is: 231,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,851.18 : 488,140.42 = 154,829.50 : x
  2. Step 2: Convert to fraction form
    325,851.18/488,140.42 = 154,829.50/x
  3. Step 3: Cross multiply
    325,851.18x = 488,140.42 × 154,829.50
  4. Step 4: Simplify right side
    325,851.18x = 75,578,537,158.39
  5. Step 5: Solve for x
    x = 75,578,537,158.39/325,851.18
  6. Step 6: Final answer
    x = 231,941.89

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1.5x scale

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.