Home / 157,901.04-217,882.44-101,388.96

Finding the Fourth Proportional to 157,901.04, 217,882.44 and 101,388.96

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Solution

The fourth proportional to 157,901.04, 217,882.44 and 101,388.96 is: 139,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,901.04 : 217,882.44 = 101,388.96 : x
  2. Step 2: Convert to fraction form
    157,901.04/217,882.44 = 101,388.96/x
  3. Step 3: Cross multiply
    157,901.04x = 217,882.44 × 101,388.96
  4. Step 4: Simplify right side
    157,901.04x = 22,090,873,993.86
  5. Step 5: Solve for x
    x = 22,090,873,993.86/157,901.04
  6. Step 6: Final answer
    x = 139,903.28

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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.