Home / 175,228.16-262,856.28-69,989.36

Finding the Fourth Proportional to 175,228.16, 262,856.28 and 69,989.36

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Solution

The fourth proportional to 175,228.16, 262,856.28 and 69,989.36 is: 104,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,228.16 : 262,856.28 = 69,989.36 : x
  2. Step 2: Convert to fraction form
    175,228.16/262,856.28 = 69,989.36/x
  3. Step 3: Cross multiply
    175,228.16x = 262,856.28 × 69,989.36
  4. Step 4: Simplify right side
    175,228.16x = 18,397,142,809.18
  5. Step 5: Solve for x
    x = 18,397,142,809.18/175,228.16
  6. Step 6: Final answer
    x = 104,989.65

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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.