Home / 159,566.05-220,200.06-87,946.12

Finding the Fourth Proportional to 159,566.05, 220,200.06 and 87,946.12

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Solution

The fourth proportional to 159,566.05, 220,200.06 and 87,946.12 is: 121,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,566.05 : 220,200.06 = 87,946.12 : x
  2. Step 2: Convert to fraction form
    159,566.05/220,200.06 = 87,946.12/x
  3. Step 3: Cross multiply
    159,566.05x = 220,200.06 × 87,946.12
  4. Step 4: Simplify right side
    159,566.05x = 19,365,740,900.77
  5. Step 5: Solve for x
    x = 19,365,740,900.77/159,566.05
  6. Step 6: Final answer
    x = 121,365.05

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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.