Home / 113,650.53-156,904.93-101,040.38

Finding the Fourth Proportional to 113,650.53, 156,904.93 and 101,040.38

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Solution

The fourth proportional to 113,650.53, 156,904.93 and 101,040.38 is: 139,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,650.53 : 156,904.93 = 101,040.38 : x
  2. Step 2: Convert to fraction form
    113,650.53/156,904.93 = 101,040.38/x
  3. Step 3: Cross multiply
    113,650.53x = 156,904.93 × 101,040.38
  4. Step 4: Simplify right side
    113,650.53x = 15,853,732,713.95
  5. Step 5: Solve for x
    x = 15,853,732,713.95/113,650.53
  6. Step 6: Final answer
    x = 139,495.46

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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.