Home / 117,146.08-175,717.56-28,400.39

Finding the Fourth Proportional to 117,146.08, 175,717.56 and 28,400.39

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Solution

The fourth proportional to 117,146.08, 175,717.56 and 28,400.39 is: 42,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,146.08 : 175,717.56 = 28,400.39 : x
  2. Step 2: Convert to fraction form
    117,146.08/175,717.56 = 28,400.39/x
  3. Step 3: Cross multiply
    117,146.08x = 175,717.56 × 28,400.39
  4. Step 4: Simplify right side
    117,146.08x = 4,990,446,461.76
  5. Step 5: Solve for x
    x = 4,990,446,461.76/117,146.08
  6. Step 6: Final answer
    x = 42,600.20

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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.