Home / 286,713.76-429,936.24-153,569.44

Finding the Fourth Proportional to 286,713.76, 429,936.24 and 153,569.44

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Solution

The fourth proportional to 286,713.76, 429,936.24 and 153,569.44 is: 230,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,713.76 : 429,936.24 = 153,569.44 : x
  2. Step 2: Convert to fraction form
    286,713.76/429,936.24 = 153,569.44/x
  3. Step 3: Cross multiply
    286,713.76x = 429,936.24 × 153,569.44
  4. Step 4: Simplify right side
    286,713.76x = 66,025,067,612.51
  5. Step 5: Solve for x
    x = 66,025,067,612.51/286,713.76
  6. Step 6: Final answer
    x = 230,282.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.