Home / 153,118.76-211,313.46-85,150.94

Finding the Fourth Proportional to 153,118.76, 211,313.46 and 85,150.94

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Solution

The fourth proportional to 153,118.76, 211,313.46 and 85,150.94 is: 117,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,118.76 : 211,313.46 = 85,150.94 : x
  2. Step 2: Convert to fraction form
    153,118.76/211,313.46 = 85,150.94/x
  3. Step 3: Cross multiply
    153,118.76x = 211,313.46 × 85,150.94
  4. Step 4: Simplify right side
    153,118.76x = 17,993,538,697.09
  5. Step 5: Solve for x
    x = 17,993,538,697.09/153,118.76
  6. Step 6: Final answer
    x = 117,513.62

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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.