Home / 124,762.20-187,316.10-98,496.60

Finding the Fourth Proportional to 124,762.20, 187,316.10 and 98,496.60

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Solution

The fourth proportional to 124,762.20, 187,316.10 and 98,496.60 is: 147,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.20 : 187,316.10 = 98,496.60 : x
  2. Step 2: Convert to fraction form
    124,762.20/187,316.10 = 98,496.60/x
  3. Step 3: Cross multiply
    124,762.20x = 187,316.10 × 98,496.60
  4. Step 4: Simplify right side
    124,762.20x = 18,449,998,975.26
  5. Step 5: Solve for x
    x = 18,449,998,975.26/124,762.20
  6. Step 6: Final answer
    x = 147,881.32

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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.