Home / 125,545.21-173,203.31-71,801.51

Finding the Fourth Proportional to 125,545.21, 173,203.31 and 71,801.51

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Solution

The fourth proportional to 125,545.21, 173,203.31 and 71,801.51 is: 99,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,545.21 : 173,203.31 = 71,801.51 : x
  2. Step 2: Convert to fraction form
    125,545.21/173,203.31 = 71,801.51/x
  3. Step 3: Cross multiply
    125,545.21x = 173,203.31 × 71,801.51
  4. Step 4: Simplify right side
    125,545.21x = 12,436,258,508.49
  5. Step 5: Solve for x
    x = 12,436,258,508.49/125,545.21
  6. Step 6: Final answer
    x = 99,058.01

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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.