Home / 286,884.90-395,901.18-157,825.17

Finding the Fourth Proportional to 286,884.90, 395,901.18 and 157,825.17

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Solution

The fourth proportional to 286,884.90, 395,901.18 and 157,825.17 is: 217,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,884.90 : 395,901.18 = 157,825.17 : x
  2. Step 2: Convert to fraction form
    286,884.90/395,901.18 = 157,825.17/x
  3. Step 3: Cross multiply
    286,884.90x = 395,901.18 × 157,825.17
  4. Step 4: Simplify right side
    286,884.90x = 62,483,171,036.70
  5. Step 5: Solve for x
    x = 62,483,171,036.70/286,884.90
  6. Step 6: Final answer
    x = 217,798.74

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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.