Home / 125,676.35-173,407.18-74,707.10

Finding the Fourth Proportional to 125,676.35, 173,407.18 and 74,707.10

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Solution

The fourth proportional to 125,676.35, 173,407.18 and 74,707.10 is: 103,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,676.35 : 173,407.18 = 74,707.10 : x
  2. Step 2: Convert to fraction form
    125,676.35/173,407.18 = 74,707.10/x
  3. Step 3: Cross multiply
    125,676.35x = 173,407.18 × 74,707.10
  4. Step 4: Simplify right side
    125,676.35x = 12,954,747,536.98
  5. Step 5: Solve for x
    x = 12,954,747,536.98/125,676.35
  6. Step 6: Final answer
    x = 103,080.23

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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.