Home / 125,717.88-173,495.34-75,407.16

Finding the Fourth Proportional to 125,717.88, 173,495.34 and 75,407.16

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Solution

The fourth proportional to 125,717.88, 173,495.34 and 75,407.16 is: 104,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,717.88 : 173,495.34 = 75,407.16 : x
  2. Step 2: Convert to fraction form
    125,717.88/173,495.34 = 75,407.16/x
  3. Step 3: Cross multiply
    125,717.88x = 173,495.34 × 75,407.16
  4. Step 4: Simplify right side
    125,717.88x = 13,082,790,862.63
  5. Step 5: Solve for x
    x = 13,082,790,862.63/125,717.88
  6. Step 6: Final answer
    x = 104,064.68

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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.