Home / 157,837.06-217,800.95-97,427.15

Finding the Fourth Proportional to 157,837.06, 217,800.95 and 97,427.15

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Solution

The fourth proportional to 157,837.06, 217,800.95 and 97,427.15 is: 134,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,837.06 : 217,800.95 = 97,427.15 : x
  2. Step 2: Convert to fraction form
    157,837.06/217,800.95 = 97,427.15/x
  3. Step 3: Cross multiply
    157,837.06x = 217,800.95 × 97,427.15
  4. Step 4: Simplify right side
    157,837.06x = 21,219,726,839.56
  5. Step 5: Solve for x
    x = 21,219,726,839.56/157,837.06
  6. Step 6: Final answer
    x = 134,440.72

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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.