Home / 163,960.08-226,413-103,637.76

Finding the Fourth Proportional to 163,960.08, 226,413 and 103,637.76

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Solution

The fourth proportional to 163,960.08, 226,413 and 103,637.76 is: 143,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960.08 : 226,413 = 103,637.76 : x
  2. Step 2: Convert to fraction form
    163,960.08/226,413 = 103,637.76/x
  3. Step 3: Cross multiply
    163,960.08x = 226,413 × 103,637.76
  4. Step 4: Simplify right side
    163,960.08x = 23,464,936,154.88
  5. Step 5: Solve for x
    x = 23,464,936,154.88/163,960.08
  6. Step 6: Final answer
    x = 143,113.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.