Home / 215,590.32-323,360.71-57,806.37

Finding the Fourth Proportional to 215,590.32, 323,360.71 and 57,806.37

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Solution

The fourth proportional to 215,590.32, 323,360.71 and 57,806.37 is: 86,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,590.32 : 323,360.71 = 57,806.37 : x
  2. Step 2: Convert to fraction form
    215,590.32/323,360.71 = 57,806.37/x
  3. Step 3: Cross multiply
    215,590.32x = 323,360.71 × 57,806.37
  4. Step 4: Simplify right side
    215,590.32x = 18,692,308,701.21
  5. Step 5: Solve for x
    x = 18,692,308,701.21/215,590.32
  6. Step 6: Final answer
    x = 86,702.91

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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.