Home / 163,683.68-225,755.15-112,031.39

Finding the Fourth Proportional to 163,683.68, 225,755.15 and 112,031.39

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Solution

The fourth proportional to 163,683.68, 225,755.15 and 112,031.39 is: 154,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,683.68 : 225,755.15 = 112,031.39 : x
  2. Step 2: Convert to fraction form
    163,683.68/225,755.15 = 112,031.39/x
  3. Step 3: Cross multiply
    163,683.68x = 225,755.15 × 112,031.39
  4. Step 4: Simplify right side
    163,683.68x = 25,291,661,565.23
  5. Step 5: Solve for x
    x = 25,291,661,565.23/163,683.68
  6. Step 6: Final answer
    x = 154,515.48

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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.