Home / 175,061.40-262,721.70-69,955.80

Finding the Fourth Proportional to 175,061.40, 262,721.70 and 69,955.80

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Solution

The fourth proportional to 175,061.40, 262,721.70 and 69,955.80 is: 104,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,061.40 : 262,721.70 = 69,955.80 : x
  2. Step 2: Convert to fraction form
    175,061.40/262,721.70 = 69,955.80/x
  3. Step 3: Cross multiply
    175,061.40x = 262,721.70 × 69,955.80
  4. Step 4: Simplify right side
    175,061.40x = 18,378,906,700.86
  5. Step 5: Solve for x
    x = 18,378,906,700.86/175,061.40
  6. Step 6: Final answer
    x = 104,985.49

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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.