Home / 316,110.60-436,351.86-188,739.72

Finding the Fourth Proportional to 316,110.60, 436,351.86 and 188,739.72

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Solution

The fourth proportional to 316,110.60, 436,351.86 and 188,739.72 is: 260,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,110.60 : 436,351.86 = 188,739.72 : x
  2. Step 2: Convert to fraction form
    316,110.60/436,351.86 = 188,739.72/x
  3. Step 3: Cross multiply
    316,110.60x = 436,351.86 × 188,739.72
  4. Step 4: Simplify right side
    316,110.60x = 82,356,927,877.88
  5. Step 5: Solve for x
    x = 82,356,927,877.88/316,110.60
  6. Step 6: Final answer
    x = 260,532.00

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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.