Home / 319,290.52-440,640.75-176,050.33

Finding the Fourth Proportional to 319,290.52, 440,640.75 and 176,050.33

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Solution

The fourth proportional to 319,290.52, 440,640.75 and 176,050.33 is: 242,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,290.52 : 440,640.75 = 176,050.33 : x
  2. Step 2: Convert to fraction form
    319,290.52/440,640.75 = 176,050.33/x
  3. Step 3: Cross multiply
    319,290.52x = 440,640.75 × 176,050.33
  4. Step 4: Simplify right side
    319,290.52x = 77,574,949,448.95
  5. Step 5: Solve for x
    x = 77,574,949,448.95/319,290.52
  6. Step 6: Final answer
    x = 242,960.39

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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.