Home / 227,000.16-340,487.28-86,772.96

Finding the Fourth Proportional to 227,000.16, 340,487.28 and 86,772.96

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Solution

The fourth proportional to 227,000.16, 340,487.28 and 86,772.96 is: 130,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,000.16 : 340,487.28 = 86,772.96 : x
  2. Step 2: Convert to fraction form
    227,000.16/340,487.28 = 86,772.96/x
  3. Step 3: Cross multiply
    227,000.16x = 340,487.28 × 86,772.96
  4. Step 4: Simplify right side
    227,000.16x = 29,545,089,127.95
  5. Step 5: Solve for x
    x = 29,545,089,127.95/227,000.16
  6. Step 6: Final answer
    x = 130,154.49

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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.