Home / 102,115.08-153,173.36-35,555.10

Finding the Fourth Proportional to 102,115.08, 153,173.36 and 35,555.10

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Solution

The fourth proportional to 102,115.08, 153,173.36 and 35,555.10 is: 53,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.08 : 153,173.36 = 35,555.10 : x
  2. Step 2: Convert to fraction form
    102,115.08/153,173.36 = 35,555.10/x
  3. Step 3: Cross multiply
    102,115.08x = 153,173.36 × 35,555.10
  4. Step 4: Simplify right side
    102,115.08x = 5,446,093,646.62
  5. Step 5: Solve for x
    x = 5,446,093,646.62/102,115.08
  6. Step 6: Final answer
    x = 53,332.90

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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.