Home / 113,289.21-156,340.53-62,307.54

Finding the Fourth Proportional to 113,289.21, 156,340.53 and 62,307.54

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Solution

The fourth proportional to 113,289.21, 156,340.53 and 62,307.54 is: 85,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,289.21 : 156,340.53 = 62,307.54 : x
  2. Step 2: Convert to fraction form
    113,289.21/156,340.53 = 62,307.54/x
  3. Step 3: Cross multiply
    113,289.21x = 156,340.53 × 62,307.54
  4. Step 4: Simplify right side
    113,289.21x = 9,741,193,826.60
  5. Step 5: Solve for x
    x = 9,741,193,826.60/113,289.21
  6. Step 6: Final answer
    x = 85,985.19

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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.