Home / 163,138.08-244,388.64-112,417.68

Finding the Fourth Proportional to 163,138.08, 244,388.64 and 112,417.68

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Solution

The fourth proportional to 163,138.08, 244,388.64 and 112,417.68 is: 168,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,138.08 : 244,388.64 = 112,417.68 : x
  2. Step 2: Convert to fraction form
    163,138.08/244,388.64 = 112,417.68/x
  3. Step 3: Cross multiply
    163,138.08x = 244,388.64 × 112,417.68
  4. Step 4: Simplify right side
    163,138.08x = 27,473,603,927.16
  5. Step 5: Solve for x
    x = 27,473,603,927.16/163,138.08
  6. Step 6: Final answer
    x = 168,407.06

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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.