Home / 268,526.08-402,789.15-127,858.24

Finding the Fourth Proportional to 268,526.08, 402,789.15 and 127,858.24

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Solution

The fourth proportional to 268,526.08, 402,789.15 and 127,858.24 is: 191,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,526.08 : 402,789.15 = 127,858.24 : x
  2. Step 2: Convert to fraction form
    268,526.08/402,789.15 = 127,858.24/x
  3. Step 3: Cross multiply
    268,526.08x = 402,789.15 × 127,858.24
  4. Step 4: Simplify right side
    268,526.08x = 51,499,911,810.10
  5. Step 5: Solve for x
    x = 51,499,911,810.10/268,526.08
  6. Step 6: Final answer
    x = 191,787.37

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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.