Home / 157,007.97-235,571.49-72,808.47

Finding the Fourth Proportional to 157,007.97, 235,571.49 and 72,808.47

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Solution

The fourth proportional to 157,007.97, 235,571.49 and 72,808.47 is: 109,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,007.97 : 235,571.49 = 72,808.47 : x
  2. Step 2: Convert to fraction form
    157,007.97/235,571.49 = 72,808.47/x
  3. Step 3: Cross multiply
    157,007.97x = 235,571.49 × 72,808.47
  4. Step 4: Simplify right side
    157,007.97x = 17,151,599,762.52
  5. Step 5: Solve for x
    x = 17,151,599,762.52/157,007.97
  6. Step 6: Final answer
    x = 109,240.31

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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.