Home / 319,215.60-440,498.52-175,981.68

Finding the Fourth Proportional to 319,215.60, 440,498.52 and 175,981.68

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Solution

The fourth proportional to 319,215.60, 440,498.52 and 175,981.68 is: 242,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,215.60 : 440,498.52 = 175,981.68 : x
  2. Step 2: Convert to fraction form
    319,215.60/440,498.52 = 175,981.68/x
  3. Step 3: Cross multiply
    319,215.60x = 440,498.52 × 175,981.68
  4. Step 4: Simplify right side
    319,215.60x = 77,519,669,587.11
  5. Step 5: Solve for x
    x = 77,519,669,587.11/319,215.60
  6. Step 6: Final answer
    x = 242,844.24

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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.