Home / 227,618.40-341,427.60-77,808.90

Finding the Fourth Proportional to 227,618.40, 341,427.60 and 77,808.90

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Solution

The fourth proportional to 227,618.40, 341,427.60 and 77,808.90 is: 116,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,618.40 : 341,427.60 = 77,808.90 : x
  2. Step 2: Convert to fraction form
    227,618.40/341,427.60 = 77,808.90/x
  3. Step 3: Cross multiply
    227,618.40x = 341,427.60 × 77,808.90
  4. Step 4: Simplify right side
    227,618.40x = 26,566,105,985.64
  5. Step 5: Solve for x
    x = 26,566,105,985.64/227,618.40
  6. Step 6: Final answer
    x = 116,713.35

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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.