Home / 124,270.22-186,432.78-45,384.32

Finding the Fourth Proportional to 124,270.22, 186,432.78 and 45,384.32

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Solution

The fourth proportional to 124,270.22, 186,432.78 and 45,384.32 is: 68,086.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,270.22 : 186,432.78 = 45,384.32 : x
  2. Step 2: Convert to fraction form
    124,270.22/186,432.78 = 45,384.32/x
  3. Step 3: Cross multiply
    124,270.22x = 186,432.78 × 45,384.32
  4. Step 4: Simplify right side
    124,270.22x = 8,461,124,946.01
  5. Step 5: Solve for x
    x = 8,461,124,946.01/124,270.22
  6. Step 6: Final answer
    x = 68,086.50

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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.