Home / 430,697.13-646,051.16-150,214.38

Finding the Fourth Proportional to 430,697.13, 646,051.16 and 150,214.38

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Solution

The fourth proportional to 430,697.13, 646,051.16 and 150,214.38 is: 225,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,697.13 : 646,051.16 = 150,214.38 : x
  2. Step 2: Convert to fraction form
    430,697.13/646,051.16 = 150,214.38/x
  3. Step 3: Cross multiply
    430,697.13x = 646,051.16 × 150,214.38
  4. Step 4: Simplify right side
    430,697.13x = 97,046,174,447.68
  5. Step 5: Solve for x
    x = 97,046,174,447.68/430,697.13
  6. Step 6: Final answer
    x = 225,323.48

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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.