Home / 146,988.12-220,511.34-53,501.16

Finding the Fourth Proportional to 146,988.12, 220,511.34 and 53,501.16

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Solution

The fourth proportional to 146,988.12, 220,511.34 and 53,501.16 is: 80,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,988.12 : 220,511.34 = 53,501.16 : x
  2. Step 2: Convert to fraction form
    146,988.12/220,511.34 = 53,501.16/x
  3. Step 3: Cross multiply
    146,988.12x = 220,511.34 × 53,501.16
  4. Step 4: Simplify right side
    146,988.12x = 11,797,612,483.15
  5. Step 5: Solve for x
    x = 11,797,612,483.15/146,988.12
  6. Step 6: Final answer
    x = 80,262.35

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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.