Home / 368,430.72-552,646.03-102,191.23

Finding the Fourth Proportional to 368,430.72, 552,646.03 and 102,191.23

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Solution

The fourth proportional to 368,430.72, 552,646.03 and 102,191.23 is: 153,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,430.72 : 552,646.03 = 102,191.23 : x
  2. Step 2: Convert to fraction form
    368,430.72/552,646.03 = 102,191.23/x
  3. Step 3: Cross multiply
    368,430.72x = 552,646.03 × 102,191.23
  4. Step 4: Simplify right side
    368,430.72x = 56,475,579,251.83
  5. Step 5: Solve for x
    x = 56,475,579,251.83/368,430.72
  6. Step 6: Final answer
    x = 153,286.84

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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.