Home / 448,776.07-673,158.76-128,935.82

Finding the Fourth Proportional to 448,776.07, 673,158.76 and 128,935.82

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Solution

The fourth proportional to 448,776.07, 673,158.76 and 128,935.82 is: 193,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,776.07 : 673,158.76 = 128,935.82 : x
  2. Step 2: Convert to fraction form
    448,776.07/673,158.76 = 128,935.82/x
  3. Step 3: Cross multiply
    448,776.07x = 673,158.76 × 128,935.82
  4. Step 4: Simplify right side
    448,776.07x = 86,794,276,710.78
  5. Step 5: Solve for x
    x = 86,794,276,710.78/448,776.07
  6. Step 6: Final answer
    x = 193,402.19

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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.