Home / 125,636.32-173,379.20-68,275.63

Finding the Fourth Proportional to 125,636.32, 173,379.20 and 68,275.63

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Solution

The fourth proportional to 125,636.32, 173,379.20 and 68,275.63 is: 94,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,636.32 : 173,379.20 = 68,275.63 : x
  2. Step 2: Convert to fraction form
    125,636.32/173,379.20 = 68,275.63/x
  3. Step 3: Cross multiply
    125,636.32x = 173,379.20 × 68,275.63
  4. Step 4: Simplify right side
    125,636.32x = 11,837,574,108.90
  5. Step 5: Solve for x
    x = 11,837,574,108.90/125,636.32
  6. Step 6: Final answer
    x = 94,220.96

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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.