Home / 251,313.60-377,036.01-131,378.52

Finding the Fourth Proportional to 251,313.60, 377,036.01 and 131,378.52

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Solution

The fourth proportional to 251,313.60, 377,036.01 and 131,378.52 is: 197,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,313.60 : 377,036.01 = 131,378.52 : x
  2. Step 2: Convert to fraction form
    251,313.60/377,036.01 = 131,378.52/x
  3. Step 3: Cross multiply
    251,313.60x = 377,036.01 × 131,378.52
  4. Step 4: Simplify right side
    251,313.60x = 49,534,432,980.51
  5. Step 5: Solve for x
    x = 49,534,432,980.51/251,313.60
  6. Step 6: Final answer
    x = 197,102.08

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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.