Home / 319,046.06-440,292.95-175,815.33

Finding the Fourth Proportional to 319,046.06, 440,292.95 and 175,815.33

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Solution

The fourth proportional to 319,046.06, 440,292.95 and 175,815.33 is: 242,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,046.06 : 440,292.95 = 175,815.33 : x
  2. Step 2: Convert to fraction form
    319,046.06/440,292.95 = 175,815.33/x
  3. Step 3: Cross multiply
    319,046.06x = 440,292.95 × 175,815.33
  4. Step 4: Simplify right side
    319,046.06x = 77,410,249,421.85
  5. Step 5: Solve for x
    x = 77,410,249,421.85/319,046.06
  6. Step 6: Final answer
    x = 242,630.33

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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.