Home / 157,106.32-235,795.29-82,278.82

Finding the Fourth Proportional to 157,106.32, 235,795.29 and 82,278.82

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Solution

The fourth proportional to 157,106.32, 235,795.29 and 82,278.82 is: 123,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,106.32 : 235,795.29 = 82,278.82 : x
  2. Step 2: Convert to fraction form
    157,106.32/235,795.29 = 82,278.82/x
  3. Step 3: Cross multiply
    157,106.32x = 235,795.29 × 82,278.82
  4. Step 4: Simplify right side
    157,106.32x = 19,400,958,222.76
  5. Step 5: Solve for x
    x = 19,400,958,222.76/157,106.32
  6. Step 6: Final answer
    x = 123,489.36

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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.