Home / 163,580.91-245,371.36-45,249.18

Finding the Fourth Proportional to 163,580.91, 245,371.36 and 45,249.18

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Solution

The fourth proportional to 163,580.91, 245,371.36 and 45,249.18 is: 67,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,580.91 : 245,371.36 = 45,249.18 : x
  2. Step 2: Convert to fraction form
    163,580.91/245,371.36 = 45,249.18/x
  3. Step 3: Cross multiply
    163,580.91x = 245,371.36 × 45,249.18
  4. Step 4: Simplify right side
    163,580.91x = 11,102,852,835.48
  5. Step 5: Solve for x
    x = 11,102,852,835.48/163,580.91
  6. Step 6: Final answer
    x = 67,873.77

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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.