Home / 117,160.07-175,703.76-42,270.47

Finding the Fourth Proportional to 117,160.07, 175,703.76 and 42,270.47

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Solution

The fourth proportional to 117,160.07, 175,703.76 and 42,270.47 is: 63,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,160.07 : 175,703.76 = 42,270.47 : x
  2. Step 2: Convert to fraction form
    117,160.07/175,703.76 = 42,270.47/x
  3. Step 3: Cross multiply
    117,160.07x = 175,703.76 × 42,270.47
  4. Step 4: Simplify right side
    117,160.07x = 7,427,079,637.45
  5. Step 5: Solve for x
    x = 7,427,079,637.45/117,160.07
  6. Step 6: Final answer
    x = 63,392.59

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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.