Home / 157,921.65-236,960.24-105,317.01

Finding the Fourth Proportional to 157,921.65, 236,960.24 and 105,317.01

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Solution

The fourth proportional to 157,921.65, 236,960.24 and 105,317.01 is: 158,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,921.65 : 236,960.24 = 105,317.01 : x
  2. Step 2: Convert to fraction form
    157,921.65/236,960.24 = 105,317.01/x
  3. Step 3: Cross multiply
    157,921.65x = 236,960.24 × 105,317.01
  4. Step 4: Simplify right side
    157,921.65x = 24,955,943,439.10
  5. Step 5: Solve for x
    x = 24,955,943,439.10/157,921.65
  6. Step 6: Final answer
    x = 158,027.37

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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.