Home / 219,154.17-328,729.53-117,999.62

Finding the Fourth Proportional to 219,154.17, 328,729.53 and 117,999.62

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Solution

The fourth proportional to 219,154.17, 328,729.53 and 117,999.62 is: 176,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,154.17 : 328,729.53 = 117,999.62 : x
  2. Step 2: Convert to fraction form
    219,154.17/328,729.53 = 117,999.62/x
  3. Step 3: Cross multiply
    219,154.17x = 328,729.53 × 117,999.62
  4. Step 4: Simplify right side
    219,154.17x = 38,789,959,654.37
  5. Step 5: Solve for x
    x = 38,789,959,654.37/219,154.17
  6. Step 6: Final answer
    x = 176,998.50

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1.5x scale

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.