Home / 127,885.12-176,477.60-70,524.41

Finding the Fourth Proportional to 127,885.12, 176,477.60 and 70,524.41

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Solution

The fourth proportional to 127,885.12, 176,477.60 and 70,524.41 is: 97,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,885.12 : 176,477.60 = 70,524.41 : x
  2. Step 2: Convert to fraction form
    127,885.12/176,477.60 = 70,524.41/x
  3. Step 3: Cross multiply
    127,885.12x = 176,477.60 × 70,524.41
  4. Step 4: Simplify right side
    127,885.12x = 12,445,978,618.22
  5. Step 5: Solve for x
    x = 12,445,978,618.22/127,885.12
  6. Step 6: Final answer
    x = 97,321.56

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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.