Home / 163,150.39-244,678.23-68,378.09

Finding the Fourth Proportional to 163,150.39, 244,678.23 and 68,378.09

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Solution

The fourth proportional to 163,150.39, 244,678.23 and 68,378.09 is: 102,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,150.39 : 244,678.23 = 68,378.09 : x
  2. Step 2: Convert to fraction form
    163,150.39/244,678.23 = 68,378.09/x
  3. Step 3: Cross multiply
    163,150.39x = 244,678.23 × 68,378.09
  4. Step 4: Simplify right side
    163,150.39x = 16,730,630,031.98
  5. Step 5: Solve for x
    x = 16,730,630,031.98/163,150.39
  6. Step 6: Final answer
    x = 102,547.29

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1.5x scale

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.