Home / 164,140.03-226,512.88-88,688.53

Finding the Fourth Proportional to 164,140.03, 226,512.88 and 88,688.53

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Solution

The fourth proportional to 164,140.03, 226,512.88 and 88,688.53 is: 122,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,140.03 : 226,512.88 = 88,688.53 : x
  2. Step 2: Convert to fraction form
    164,140.03/226,512.88 = 88,688.53/x
  3. Step 3: Cross multiply
    164,140.03x = 226,512.88 × 88,688.53
  4. Step 4: Simplify right side
    164,140.03x = 20,089,094,353.27
  5. Step 5: Solve for x
    x = 20,089,094,353.27/164,140.03
  6. Step 6: Final answer
    x = 122,389.98

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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.