Home / 268,526.85-402,790.25-127,859.01

Finding the Fourth Proportional to 268,526.85, 402,790.25 and 127,859.01

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Solution

The fourth proportional to 268,526.85, 402,790.25 and 127,859.01 is: 191,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,526.85 : 402,790.25 = 127,859.01 : x
  2. Step 2: Convert to fraction form
    268,526.85/402,790.25 = 127,859.01/x
  3. Step 3: Cross multiply
    268,526.85x = 402,790.25 × 127,859.01
  4. Step 4: Simplify right side
    268,526.85x = 51,500,359,949.41
  5. Step 5: Solve for x
    x = 51,500,359,949.41/268,526.85
  6. Step 6: Final answer
    x = 191,788.50

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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.