Home / 320,717.61-442,590.47-175,523.31

Finding the Fourth Proportional to 320,717.61, 442,590.47 and 175,523.31

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Solution

The fourth proportional to 320,717.61, 442,590.47 and 175,523.31 is: 242,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,717.61 : 442,590.47 = 175,523.31 : x
  2. Step 2: Convert to fraction form
    320,717.61/442,590.47 = 175,523.31/x
  3. Step 3: Cross multiply
    320,717.61x = 442,590.47 × 175,523.31
  4. Step 4: Simplify right side
    320,717.61x = 77,684,944,707.66
  5. Step 5: Solve for x
    x = 77,684,944,707.66/320,717.61
  6. Step 6: Final answer
    x = 242,222.26

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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.