Home / 151,775.64-209,409.57-98,041.05

Finding the Fourth Proportional to 151,775.64, 209,409.57 and 98,041.05

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Solution

The fourth proportional to 151,775.64, 209,409.57 and 98,041.05 is: 135,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,775.64 : 209,409.57 = 98,041.05 : x
  2. Step 2: Convert to fraction form
    151,775.64/209,409.57 = 98,041.05/x
  3. Step 3: Cross multiply
    151,775.64x = 209,409.57 × 98,041.05
  4. Step 4: Simplify right side
    151,775.64x = 20,530,734,122.85
  5. Step 5: Solve for x
    x = 20,530,734,122.85/151,775.64
  6. Step 6: Final answer
    x = 135,270.29

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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.