Home / 159,533.33-220,117.55-105,079.77

Finding the Fourth Proportional to 159,533.33, 220,117.55 and 105,079.77

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Solution

The fourth proportional to 159,533.33, 220,117.55 and 105,079.77 is: 144,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,533.33 : 220,117.55 = 105,079.77 : x
  2. Step 2: Convert to fraction form
    159,533.33/220,117.55 = 105,079.77/x
  3. Step 3: Cross multiply
    159,533.33x = 220,117.55 × 105,079.77
  4. Step 4: Simplify right side
    159,533.33x = 23,129,901,001.56
  5. Step 5: Solve for x
    x = 23,129,901,001.56/159,533.33
  6. Step 6: Final answer
    x = 144,984.76

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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.