Home / 286,818.26-395,818.80-157,762.10

Finding the Fourth Proportional to 286,818.26, 395,818.80 and 157,762.10

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Solution

The fourth proportional to 286,818.26, 395,818.80 and 157,762.10 is: 217,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,818.26 : 395,818.80 = 157,762.10 : x
  2. Step 2: Convert to fraction form
    286,818.26/395,818.80 = 157,762.10/x
  3. Step 3: Cross multiply
    286,818.26x = 395,818.80 × 157,762.10
  4. Step 4: Simplify right side
    286,818.26x = 62,445,205,107.48
  5. Step 5: Solve for x
    x = 62,445,205,107.48/286,818.26
  6. Step 6: Final answer
    x = 217,716.98

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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.