Home / 121,495.12-182,094.92-85,966.67

Finding the Fourth Proportional to 121,495.12, 182,094.92 and 85,966.67

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Solution

The fourth proportional to 121,495.12, 182,094.92 and 85,966.67 is: 128,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,495.12 : 182,094.92 = 85,966.67 : x
  2. Step 2: Convert to fraction form
    121,495.12/182,094.92 = 85,966.67/x
  3. Step 3: Cross multiply
    121,495.12x = 182,094.92 × 85,966.67
  4. Step 4: Simplify right side
    121,495.12x = 15,654,093,466.48
  5. Step 5: Solve for x
    x = 15,654,093,466.48/121,495.12
  6. Step 6: Final answer
    x = 128,845.46

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1.5x scale

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.