Home / 157,276.42-235,681.30-115,519.30

Finding the Fourth Proportional to 157,276.42, 235,681.30 and 115,519.30

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Solution

The fourth proportional to 157,276.42, 235,681.30 and 115,519.30 is: 173,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,276.42 : 235,681.30 = 115,519.30 : x
  2. Step 2: Convert to fraction form
    157,276.42/235,681.30 = 115,519.30/x
  3. Step 3: Cross multiply
    157,276.42x = 235,681.30 × 115,519.30
  4. Step 4: Simplify right side
    157,276.42x = 27,225,738,799.09
  5. Step 5: Solve for x
    x = 27,225,738,799.09/157,276.42
  6. Step 6: Final answer
    x = 173,107.57

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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.