Home / 220,652.04-304,501.14-120,050.76

Finding the Fourth Proportional to 220,652.04, 304,501.14 and 120,050.76

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Solution

The fourth proportional to 220,652.04, 304,501.14 and 120,050.76 is: 165,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,652.04 : 304,501.14 = 120,050.76 : x
  2. Step 2: Convert to fraction form
    220,652.04/304,501.14 = 120,050.76/x
  3. Step 3: Cross multiply
    220,652.04x = 304,501.14 × 120,050.76
  4. Step 4: Simplify right side
    220,652.04x = 36,555,593,277.87
  5. Step 5: Solve for x
    x = 36,555,593,277.87/220,652.04
  6. Step 6: Final answer
    x = 165,670.77

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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.