Home / 108,147.53-149,239.02-62,203.67

Finding the Fourth Proportional to 108,147.53, 149,239.02 and 62,203.67

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Solution

The fourth proportional to 108,147.53, 149,239.02 and 62,203.67 is: 85,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,147.53 : 149,239.02 = 62,203.67 : x
  2. Step 2: Convert to fraction form
    108,147.53/149,239.02 = 62,203.67/x
  3. Step 3: Cross multiply
    108,147.53x = 149,239.02 × 62,203.67
  4. Step 4: Simplify right side
    108,147.53x = 9,283,214,955.23
  5. Step 5: Solve for x
    x = 9,283,214,955.23/108,147.53
  6. Step 6: Final answer
    x = 85,838.44

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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.