Home / 117,141.48-175,710.64-28,395.76

Finding the Fourth Proportional to 117,141.48, 175,710.64 and 28,395.76

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Solution

The fourth proportional to 117,141.48, 175,710.64 and 28,395.76 is: 42,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,141.48 : 175,710.64 = 28,395.76 : x
  2. Step 2: Convert to fraction form
    117,141.48/175,710.64 = 28,395.76/x
  3. Step 3: Cross multiply
    117,141.48x = 175,710.64 × 28,395.76
  4. Step 4: Simplify right side
    117,141.48x = 4,989,437,162.89
  5. Step 5: Solve for x
    x = 4,989,437,162.89/117,141.48
  6. Step 6: Final answer
    x = 42,593.26

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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.