Home / 282,464.22-389,799.28-153,401.79

Finding the Fourth Proportional to 282,464.22, 389,799.28 and 153,401.79

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Solution

The fourth proportional to 282,464.22, 389,799.28 and 153,401.79 is: 211,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,464.22 : 389,799.28 = 153,401.79 : x
  2. Step 2: Convert to fraction form
    282,464.22/389,799.28 = 153,401.79/x
  3. Step 3: Cross multiply
    282,464.22x = 389,799.28 × 153,401.79
  4. Step 4: Simplify right side
    282,464.22x = 59,795,907,292.71
  5. Step 5: Solve for x
    x = 59,795,907,292.71/282,464.22
  6. Step 6: Final answer
    x = 211,693.74

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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.