Home / 125,386.19-173,032.92-71,672.36

Finding the Fourth Proportional to 125,386.19, 173,032.92 and 71,672.36

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Solution

The fourth proportional to 125,386.19, 173,032.92 and 71,672.36 is: 98,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,386.19 : 173,032.92 = 71,672.36 : x
  2. Step 2: Convert to fraction form
    125,386.19/173,032.92 = 71,672.36/x
  3. Step 3: Cross multiply
    125,386.19x = 173,032.92 × 71,672.36
  4. Step 4: Simplify right side
    125,386.19x = 12,401,677,734.09
  5. Step 5: Solve for x
    x = 12,401,677,734.09/125,386.19
  6. Step 6: Final answer
    x = 98,907.84

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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.