Home / 319,646.72-441,118.62-176,403.69

Finding the Fourth Proportional to 319,646.72, 441,118.62 and 176,403.69

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Solution

The fourth proportional to 319,646.72, 441,118.62 and 176,403.69 is: 243,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,646.72 : 441,118.62 = 176,403.69 : x
  2. Step 2: Convert to fraction form
    319,646.72/441,118.62 = 176,403.69/x
  3. Step 3: Cross multiply
    319,646.72x = 441,118.62 × 176,403.69
  4. Step 4: Simplify right side
    319,646.72x = 77,814,952,295.71
  5. Step 5: Solve for x
    x = 77,814,952,295.71/319,646.72
  6. Step 6: Final answer
    x = 243,440.48

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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.