Home / 125,669.22-173,245.06-99,950.10

Finding the Fourth Proportional to 125,669.22, 173,245.06 and 99,950.10

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Solution

The fourth proportional to 125,669.22, 173,245.06 and 99,950.10 is: 137,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,669.22 : 173,245.06 = 99,950.10 : x
  2. Step 2: Convert to fraction form
    125,669.22/173,245.06 = 99,950.10/x
  3. Step 3: Cross multiply
    125,669.22x = 173,245.06 × 99,950.10
  4. Step 4: Simplify right side
    125,669.22x = 17,315,861,071.51
  5. Step 5: Solve for x
    x = 17,315,861,071.51/125,669.22
  6. Step 6: Final answer
    x = 137,789.20

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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.