Home / 404,433.47-558,135.06-223,157.16

Finding the Fourth Proportional to 404,433.47, 558,135.06 and 223,157.16

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Solution

The fourth proportional to 404,433.47, 558,135.06 and 223,157.16 is: 307,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,433.47 : 558,135.06 = 223,157.16 : x
  2. Step 2: Convert to fraction form
    404,433.47/558,135.06 = 223,157.16/x
  3. Step 3: Cross multiply
    404,433.47x = 558,135.06 × 223,157.16
  4. Step 4: Simplify right side
    404,433.47x = 124,551,834,886.03
  5. Step 5: Solve for x
    x = 124,551,834,886.03/404,433.47
  6. Step 6: Final answer
    x = 307,966.19

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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.