Home / 183,417.80-253,161.56-111,837.28

Finding the Fourth Proportional to 183,417.80, 253,161.56 and 111,837.28

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Solution

The fourth proportional to 183,417.80, 253,161.56 and 111,837.28 is: 154,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,417.80 : 253,161.56 = 111,837.28 : x
  2. Step 2: Convert to fraction form
    183,417.80/253,161.56 = 111,837.28/x
  3. Step 3: Cross multiply
    183,417.80x = 253,161.56 × 111,837.28
  4. Step 4: Simplify right side
    183,417.80x = 28,312,900,270.96
  5. Step 5: Solve for x
    x = 28,312,900,270.96/183,417.80
  6. Step 6: Final answer
    x = 154,362.88

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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.