Home / 368,048.06-552,188.73-131,385.50

Finding the Fourth Proportional to 368,048.06, 552,188.73 and 131,385.50

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Solution

The fourth proportional to 368,048.06, 552,188.73 and 131,385.50 is: 197,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,048.06 : 552,188.73 = 131,385.50 : x
  2. Step 2: Convert to fraction form
    368,048.06/552,188.73 = 131,385.50/x
  3. Step 3: Cross multiply
    368,048.06x = 552,188.73 × 131,385.50
  4. Step 4: Simplify right side
    368,048.06x = 72,549,592,385.42
  5. Step 5: Solve for x
    x = 72,549,592,385.42/368,048.06
  6. Step 6: Final answer
    x = 197,119.89

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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.