Home / 164,140.47-226,513.76-88,688.97

Finding the Fourth Proportional to 164,140.47, 226,513.76 and 88,688.97

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Solution

The fourth proportional to 164,140.47, 226,513.76 and 88,688.97 is: 122,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,140.47 : 226,513.76 = 88,688.97 : x
  2. Step 2: Convert to fraction form
    164,140.47/226,513.76 = 88,688.97/x
  3. Step 3: Cross multiply
    164,140.47x = 226,513.76 × 88,688.97
  4. Step 4: Simplify right side
    164,140.47x = 20,089,271,621.78
  5. Step 5: Solve for x
    x = 20,089,271,621.78/164,140.47
  6. Step 6: Final answer
    x = 122,390.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.