Home / 319,717.36-441,210-176,477.43

Finding the Fourth Proportional to 319,717.36, 441,210 and 176,477.43

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Solution

The fourth proportional to 319,717.36, 441,210 and 176,477.43 is: 243,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,717.36 : 441,210 = 176,477.43 : x
  2. Step 2: Convert to fraction form
    319,717.36/441,210 = 176,477.43/x
  3. Step 3: Cross multiply
    319,717.36x = 441,210 × 176,477.43
  4. Step 4: Simplify right side
    319,717.36x = 77,863,606,890.30
  5. Step 5: Solve for x
    x = 77,863,606,890.30/319,717.36
  6. Step 6: Final answer
    x = 243,538.88

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1.5x scale

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.