Home / 125,701.06-173,297.67-85,344.76

Finding the Fourth Proportional to 125,701.06, 173,297.67 and 85,344.76

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Solution

The fourth proportional to 125,701.06, 173,297.67 and 85,344.76 is: 117,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,701.06 : 173,297.67 = 85,344.76 : x
  2. Step 2: Convert to fraction form
    125,701.06/173,297.67 = 85,344.76/x
  3. Step 3: Cross multiply
    125,701.06x = 173,297.67 × 85,344.76
  4. Step 4: Simplify right side
    125,701.06x = 14,790,048,054.71
  5. Step 5: Solve for x
    x = 14,790,048,054.71/125,701.06
  6. Step 6: Final answer
    x = 117,660.49

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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.