Home / 417,129.12-575,638.18-226,142.51

Finding the Fourth Proportional to 417,129.12, 575,638.18 and 226,142.51

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Solution

The fourth proportional to 417,129.12, 575,638.18 and 226,142.51 is: 312,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,129.12 : 575,638.18 = 226,142.51 : x
  2. Step 2: Convert to fraction form
    417,129.12/575,638.18 = 226,142.51/x
  3. Step 3: Cross multiply
    417,129.12x = 575,638.18 × 226,142.51
  4. Step 4: Simplify right side
    417,129.12x = 130,176,262,006.51
  5. Step 5: Solve for x
    x = 130,176,262,006.51/417,129.12
  6. Step 6: Final answer
    x = 312,076.66

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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.