Home / 147,188.80-203,108.96-83,526.60

Finding the Fourth Proportional to 147,188.80, 203,108.96 and 83,526.60

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Solution

The fourth proportional to 147,188.80, 203,108.96 and 83,526.60 is: 115,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,188.80 : 203,108.96 = 83,526.60 : x
  2. Step 2: Convert to fraction form
    147,188.80/203,108.96 = 83,526.60/x
  3. Step 3: Cross multiply
    147,188.80x = 203,108.96 × 83,526.60
  4. Step 4: Simplify right side
    147,188.80x = 16,965,000,858.34
  5. Step 5: Solve for x
    x = 16,965,000,858.34/147,188.80
  6. Step 6: Final answer
    x = 115,260.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.