Home / 163,184.49-225,210.78-109,581.12

Finding the Fourth Proportional to 163,184.49, 225,210.78 and 109,581.12

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Solution

The fourth proportional to 163,184.49, 225,210.78 and 109,581.12 is: 151,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,184.49 : 225,210.78 = 109,581.12 : x
  2. Step 2: Convert to fraction form
    163,184.49/225,210.78 = 109,581.12/x
  3. Step 3: Cross multiply
    163,184.49x = 225,210.78 × 109,581.12
  4. Step 4: Simplify right side
    163,184.49x = 24,678,849,508.47
  5. Step 5: Solve for x
    x = 24,678,849,508.47/163,184.49
  6. Step 6: Final answer
    x = 151,232.81

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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.