Home / 319,033.04-440,263.32-175,789.68

Finding the Fourth Proportional to 319,033.04, 440,263.32 and 175,789.68

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Solution

The fourth proportional to 319,033.04, 440,263.32 and 175,789.68 is: 242,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,033.04 : 440,263.32 = 175,789.68 : x
  2. Step 2: Convert to fraction form
    319,033.04/440,263.32 = 175,789.68/x
  3. Step 3: Cross multiply
    319,033.04x = 440,263.32 × 175,789.68
  4. Step 4: Simplify right side
    319,033.04x = 77,393,748,138.54
  5. Step 5: Solve for x
    x = 77,393,748,138.54/319,033.04
  6. Step 6: Final answer
    x = 242,588.50

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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.