Home / 109,201.74-163,803.53-30,322.12

Finding the Fourth Proportional to 109,201.74, 163,803.53 and 30,322.12

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Solution

The fourth proportional to 109,201.74, 163,803.53 and 30,322.12 is: 45,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,201.74 : 163,803.53 = 30,322.12 : x
  2. Step 2: Convert to fraction form
    109,201.74/163,803.53 = 30,322.12/x
  3. Step 3: Cross multiply
    109,201.74x = 163,803.53 × 30,322.12
  4. Step 4: Simplify right side
    109,201.74x = 4,966,870,293.08
  5. Step 5: Solve for x
    x = 4,966,870,293.08/109,201.74
  6. Step 6: Final answer
    x = 45,483.44

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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.