Home / 221,526.12-332,273.04-86,564.91

Finding the Fourth Proportional to 221,526.12, 332,273.04 and 86,564.91

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Solution

The fourth proportional to 221,526.12, 332,273.04 and 86,564.91 is: 129,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,526.12 : 332,273.04 = 86,564.91 : x
  2. Step 2: Convert to fraction form
    221,526.12/332,273.04 = 86,564.91/x
  3. Step 3: Cross multiply
    221,526.12x = 332,273.04 × 86,564.91
  4. Step 4: Simplify right side
    221,526.12x = 28,763,185,803.03
  5. Step 5: Solve for x
    x = 28,763,185,803.03/221,526.12
  6. Step 6: Final answer
    x = 129,841.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.