Home / 153,369.50-211,654.58-83,523.39

Finding the Fourth Proportional to 153,369.50, 211,654.58 and 83,523.39

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Solution

The fourth proportional to 153,369.50, 211,654.58 and 83,523.39 is: 115,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,369.50 : 211,654.58 = 83,523.39 : x
  2. Step 2: Convert to fraction form
    153,369.50/211,654.58 = 83,523.39/x
  3. Step 3: Cross multiply
    153,369.50x = 211,654.58 × 83,523.39
  4. Step 4: Simplify right side
    153,369.50x = 17,678,107,613.01
  5. Step 5: Solve for x
    x = 17,678,107,613.01/153,369.50
  6. Step 6: Final answer
    x = 115,264.82

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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.