Home / 159,474.08-218,480.52-153,495.20

Finding the Fourth Proportional to 159,474.08, 218,480.52 and 153,495.20

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Solution

The fourth proportional to 159,474.08, 218,480.52 and 153,495.20 is: 210,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,474.08 : 218,480.52 = 153,495.20 : x
  2. Step 2: Convert to fraction form
    159,474.08/218,480.52 = 153,495.20/x
  3. Step 3: Cross multiply
    159,474.08x = 218,480.52 × 153,495.20
  4. Step 4: Simplify right side
    159,474.08x = 33,535,711,113.50
  5. Step 5: Solve for x
    x = 33,535,711,113.50/159,474.08
  6. Step 6: Final answer
    x = 210,289.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.