Home / 215,666.36-297,615.59-117,550.45

Finding the Fourth Proportional to 215,666.36, 297,615.59 and 117,550.45

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Solution

The fourth proportional to 215,666.36, 297,615.59 and 117,550.45 is: 162,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,666.36 : 297,615.59 = 117,550.45 : x
  2. Step 2: Convert to fraction form
    215,666.36/297,615.59 = 117,550.45/x
  3. Step 3: Cross multiply
    215,666.36x = 297,615.59 × 117,550.45
  4. Step 4: Simplify right side
    215,666.36x = 34,984,845,043.44
  5. Step 5: Solve for x
    x = 34,984,845,043.44/215,666.36
  6. Step 6: Final answer
    x = 162,217.44

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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.