Home / 108,518.66-149,702.92-70,267.22

Finding the Fourth Proportional to 108,518.66, 149,702.92 and 70,267.22

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Solution

The fourth proportional to 108,518.66, 149,702.92 and 70,267.22 is: 96,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,518.66 : 149,702.92 = 70,267.22 : x
  2. Step 2: Convert to fraction form
    108,518.66/149,702.92 = 70,267.22/x
  3. Step 3: Cross multiply
    108,518.66x = 149,702.92 × 70,267.22
  4. Step 4: Simplify right side
    108,518.66x = 10,519,208,014.28
  5. Step 5: Solve for x
    x = 10,519,208,014.28/108,518.66
  6. Step 6: Final answer
    x = 96,934.55

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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.