Home / 302,023.36-453,041.28-109,891.20

Finding the Fourth Proportional to 302,023.36, 453,041.28 and 109,891.20

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Solution

The fourth proportional to 302,023.36, 453,041.28 and 109,891.20 is: 164,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,023.36 : 453,041.28 = 109,891.20 : x
  2. Step 2: Convert to fraction form
    302,023.36/453,041.28 = 109,891.20/x
  3. Step 3: Cross multiply
    302,023.36x = 453,041.28 × 109,891.20
  4. Step 4: Simplify right side
    302,023.36x = 49,785,249,908.74
  5. Step 5: Solve for x
    x = 49,785,249,908.74/302,023.36
  6. Step 6: Final answer
    x = 164,839.07

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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.