Home / 319,290.72-440,587.44-176,042.24

Finding the Fourth Proportional to 319,290.72, 440,587.44 and 176,042.24

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Solution

The fourth proportional to 319,290.72, 440,587.44 and 176,042.24 is: 242,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,290.72 : 440,587.44 = 176,042.24 : x
  2. Step 2: Convert to fraction form
    319,290.72/440,587.44 = 176,042.24/x
  3. Step 3: Cross multiply
    319,290.72x = 440,587.44 × 176,042.24
  4. Step 4: Simplify right side
    319,290.72x = 77,561,999,853.47
  5. Step 5: Solve for x
    x = 77,561,999,853.47/319,290.72
  6. Step 6: Final answer
    x = 242,919.68

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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.