Home / 147,484.11-203,528.13-83,820.27

Finding the Fourth Proportional to 147,484.11, 203,528.13 and 83,820.27

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Solution

The fourth proportional to 147,484.11, 203,528.13 and 83,820.27 is: 115,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,484.11 : 203,528.13 = 83,820.27 : x
  2. Step 2: Convert to fraction form
    147,484.11/203,528.13 = 83,820.27/x
  3. Step 3: Cross multiply
    147,484.11x = 203,528.13 × 83,820.27
  4. Step 4: Simplify right side
    147,484.11x = 17,059,782,809.20
  5. Step 5: Solve for x
    x = 17,059,782,809.20/147,484.11
  6. Step 6: Final answer
    x = 115,672.01

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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.