Home / 319,498.15-440,907.42-176,258.19

Finding the Fourth Proportional to 319,498.15, 440,907.42 and 176,258.19

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Solution

The fourth proportional to 319,498.15, 440,907.42 and 176,258.19 is: 243,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,498.15 : 440,907.42 = 176,258.19 : x
  2. Step 2: Convert to fraction form
    319,498.15/440,907.42 = 176,258.19/x
  3. Step 3: Cross multiply
    319,498.15x = 440,907.42 × 176,258.19
  4. Step 4: Simplify right side
    319,498.15x = 77,713,542,804.87
  5. Step 5: Solve for x
    x = 77,713,542,804.87/319,498.15
  6. Step 6: Final answer
    x = 243,236.29

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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.