Home / 233,209.12-349,813.68-221,877.76

Finding the Fourth Proportional to 233,209.12, 349,813.68 and 221,877.76

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Solution

The fourth proportional to 233,209.12, 349,813.68 and 221,877.76 is: 332,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,209.12 : 349,813.68 = 221,877.76 : x
  2. Step 2: Convert to fraction form
    233,209.12/349,813.68 = 221,877.76/x
  3. Step 3: Cross multiply
    233,209.12x = 349,813.68 × 221,877.76
  4. Step 4: Simplify right side
    233,209.12x = 77,615,875,735.76
  5. Step 5: Solve for x
    x = 77,615,875,735.76/233,209.12
  6. Step 6: Final answer
    x = 332,816.64

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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.