Home / 319,653.68-441,109.17-176,411.85

Finding the Fourth Proportional to 319,653.68, 441,109.17 and 176,411.85

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Solution

The fourth proportional to 319,653.68, 441,109.17 and 176,411.85 is: 243,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,653.68 : 441,109.17 = 176,411.85 : x
  2. Step 2: Convert to fraction form
    319,653.68/441,109.17 = 176,411.85/x
  3. Step 3: Cross multiply
    319,653.68x = 441,109.17 × 176,411.85
  4. Step 4: Simplify right side
    319,653.68x = 77,816,884,731.66
  5. Step 5: Solve for x
    x = 77,816,884,731.66/319,653.68
  6. Step 6: Final answer
    x = 243,441.23

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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.