Home / 157,467.32-217,309.03-97,077.86

Finding the Fourth Proportional to 157,467.32, 217,309.03 and 97,077.86

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Solution

The fourth proportional to 157,467.32, 217,309.03 and 97,077.86 is: 133,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,467.32 : 217,309.03 = 97,077.86 : x
  2. Step 2: Convert to fraction form
    157,467.32/217,309.03 = 97,077.86/x
  3. Step 3: Cross multiply
    157,467.32x = 217,309.03 × 97,077.86
  4. Step 4: Simplify right side
    157,467.32x = 21,095,894,261.84
  5. Step 5: Solve for x
    x = 21,095,894,261.84/157,467.32
  6. Step 6: Final answer
    x = 133,969.99

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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.