Home / 319,749.30-441,253.60-176,509.02

Finding the Fourth Proportional to 319,749.30, 441,253.60 and 176,509.02

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Solution

The fourth proportional to 319,749.30, 441,253.60 and 176,509.02 is: 243,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,749.30 : 441,253.60 = 176,509.02 : x
  2. Step 2: Convert to fraction form
    319,749.30/441,253.60 = 176,509.02/x
  3. Step 3: Cross multiply
    319,749.30x = 441,253.60 × 176,509.02
  4. Step 4: Simplify right side
    319,749.30x = 77,885,240,507.47
  5. Step 5: Solve for x
    x = 77,885,240,507.47/319,749.30
  6. Step 6: Final answer
    x = 243,582.21

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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.