Home / 159,570.03-220,207.67-87,950.06

Finding the Fourth Proportional to 159,570.03, 220,207.67 and 87,950.06

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Solution

The fourth proportional to 159,570.03, 220,207.67 and 87,950.06 is: 121,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,570.03 : 220,207.67 = 87,950.06 : x
  2. Step 2: Convert to fraction form
    159,570.03/220,207.67 = 87,950.06/x
  3. Step 3: Cross multiply
    159,570.03x = 220,207.67 × 87,950.06
  4. Step 4: Simplify right side
    159,570.03x = 19,367,276,248.17
  5. Step 5: Solve for x
    x = 19,367,276,248.17/159,570.03
  6. Step 6: Final answer
    x = 121,371.64

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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.