Home / 401,501.72-602,287.97-113,315.91

Finding the Fourth Proportional to 401,501.72, 602,287.97 and 113,315.91

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Solution

The fourth proportional to 401,501.72, 602,287.97 and 113,315.91 is: 169,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,501.72 : 602,287.97 = 113,315.91 : x
  2. Step 2: Convert to fraction form
    401,501.72/602,287.97 = 113,315.91/x
  3. Step 3: Cross multiply
    401,501.72x = 602,287.97 × 113,315.91
  4. Step 4: Simplify right side
    401,501.72x = 68,248,808,836.02
  5. Step 5: Solve for x
    x = 68,248,808,836.02/401,501.72
  6. Step 6: Final answer
    x = 169,983.85

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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.