Home / 236,495.40-354,743.10-217,141.80

Finding the Fourth Proportional to 236,495.40, 354,743.10 and 217,141.80

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Solution

The fourth proportional to 236,495.40, 354,743.10 and 217,141.80 is: 325,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,495.40 : 354,743.10 = 217,141.80 : x
  2. Step 2: Convert to fraction form
    236,495.40/354,743.10 = 217,141.80/x
  3. Step 3: Cross multiply
    236,495.40x = 354,743.10 × 217,141.80
  4. Step 4: Simplify right side
    236,495.40x = 77,029,555,271.58
  5. Step 5: Solve for x
    x = 77,029,555,271.58/236,495.40
  6. Step 6: Final answer
    x = 325,712.70

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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.