Home / 159,582.74-220,225.68-87,965.34

Finding the Fourth Proportional to 159,582.74, 220,225.68 and 87,965.34

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Solution

The fourth proportional to 159,582.74, 220,225.68 and 87,965.34 is: 121,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,582.74 : 220,225.68 = 87,965.34 : x
  2. Step 2: Convert to fraction form
    159,582.74/220,225.68 = 87,965.34/x
  3. Step 3: Cross multiply
    159,582.74x = 220,225.68 × 87,965.34
  4. Step 4: Simplify right side
    159,582.74x = 19,372,226,817.93
  5. Step 5: Solve for x
    x = 19,372,226,817.93/159,582.74
  6. Step 6: Final answer
    x = 121,393.00

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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.