Home / 302,139.61-453,239-110,066.23

Finding the Fourth Proportional to 302,139.61, 453,239 and 110,066.23

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Solution

The fourth proportional to 302,139.61, 453,239 and 110,066.23 is: 165,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,139.61 : 453,239 = 110,066.23 : x
  2. Step 2: Convert to fraction form
    302,139.61/453,239 = 110,066.23/x
  3. Step 3: Cross multiply
    302,139.61x = 453,239 × 110,066.23
  4. Step 4: Simplify right side
    302,139.61x = 49,886,308,018.97
  5. Step 5: Solve for x
    x = 49,886,308,018.97/302,139.61
  6. Step 6: Final answer
    x = 165,110.12

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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.