Home / 319,558.86-440,991.18-176,319.18

Finding the Fourth Proportional to 319,558.86, 440,991.18 and 176,319.18

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Solution

The fourth proportional to 319,558.86, 440,991.18 and 176,319.18 is: 243,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,558.86 : 440,991.18 = 176,319.18 : x
  2. Step 2: Convert to fraction form
    319,558.86/440,991.18 = 176,319.18/x
  3. Step 3: Cross multiply
    319,558.86x = 440,991.18 × 176,319.18
  4. Step 4: Simplify right side
    319,558.86x = 77,755,203,244.83
  5. Step 5: Solve for x
    x = 77,755,203,244.83/319,558.86
  6. Step 6: Final answer
    x = 243,320.44

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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.