Home / 147,200.16-220,833-53,705.88

Finding the Fourth Proportional to 147,200.16, 220,833 and 53,705.88

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Solution

The fourth proportional to 147,200.16, 220,833 and 53,705.88 is: 80,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,200.16 : 220,833 = 53,705.88 : x
  2. Step 2: Convert to fraction form
    147,200.16/220,833 = 53,705.88/x
  3. Step 3: Cross multiply
    147,200.16x = 220,833 × 53,705.88
  4. Step 4: Simplify right side
    147,200.16x = 11,860,030,598.04
  5. Step 5: Solve for x
    x = 11,860,030,598.04/147,200.16
  6. Step 6: Final answer
    x = 80,570.77

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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.