Home / 215,666.61-297,615.93-117,550.70

Finding the Fourth Proportional to 215,666.61, 297,615.93 and 117,550.70

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Solution

The fourth proportional to 215,666.61, 297,615.93 and 117,550.70 is: 162,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,666.61 : 297,615.93 = 117,550.70 : x
  2. Step 2: Convert to fraction form
    215,666.61/297,615.93 = 117,550.70/x
  3. Step 3: Cross multiply
    215,666.61x = 297,615.93 × 117,550.70
  4. Step 4: Simplify right side
    215,666.61x = 34,984,960,902.65
  5. Step 5: Solve for x
    x = 34,984,960,902.65/215,666.61
  6. Step 6: Final answer
    x = 162,217.79

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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.