Home / 103,256.56-154,493.58-61,159.24

Finding the Fourth Proportional to 103,256.56, 154,493.58 and 61,159.24

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Solution

The fourth proportional to 103,256.56, 154,493.58 and 61,159.24 is: 91,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,256.56 : 154,493.58 = 61,159.24 : x
  2. Step 2: Convert to fraction form
    103,256.56/154,493.58 = 61,159.24/x
  3. Step 3: Cross multiply
    103,256.56x = 154,493.58 × 61,159.24
  4. Step 4: Simplify right side
    103,256.56x = 9,448,709,937.68
  5. Step 5: Solve for x
    x = 9,448,709,937.68/103,256.56
  6. Step 6: Final answer
    x = 91,507.12

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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.