Home / 177,643.11-245,137.05-97,054.59

Finding the Fourth Proportional to 177,643.11, 245,137.05 and 97,054.59

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Solution

The fourth proportional to 177,643.11, 245,137.05 and 97,054.59 is: 133,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,643.11 : 245,137.05 = 97,054.59 : x
  2. Step 2: Convert to fraction form
    177,643.11/245,137.05 = 97,054.59/x
  3. Step 3: Cross multiply
    177,643.11x = 245,137.05 × 97,054.59
  4. Step 4: Simplify right side
    177,643.11x = 23,791,675,881.56
  5. Step 5: Solve for x
    x = 23,791,675,881.56/177,643.11
  6. Step 6: Final answer
    x = 133,929.63

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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.