Home / 147,630.90-221,403.15-52,850.10

Finding the Fourth Proportional to 147,630.90, 221,403.15 and 52,850.10

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Solution

The fourth proportional to 147,630.90, 221,403.15 and 52,850.10 is: 79,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,630.90 : 221,403.15 = 52,850.10 : x
  2. Step 2: Convert to fraction form
    147,630.90/221,403.15 = 52,850.10/x
  3. Step 3: Cross multiply
    147,630.90x = 221,403.15 × 52,850.10
  4. Step 4: Simplify right side
    147,630.90x = 11,701,178,617.82
  5. Step 5: Solve for x
    x = 11,701,178,617.82/147,630.90
  6. Step 6: Final answer
    x = 79,259.68

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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.