Home / 125,509.35-173,200.77-68,920.32

Finding the Fourth Proportional to 125,509.35, 173,200.77 and 68,920.32

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Solution

The fourth proportional to 125,509.35, 173,200.77 and 68,920.32 is: 95,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,509.35 : 173,200.77 = 68,920.32 : x
  2. Step 2: Convert to fraction form
    125,509.35/173,200.77 = 68,920.32/x
  3. Step 3: Cross multiply
    125,509.35x = 173,200.77 × 68,920.32
  4. Step 4: Simplify right side
    125,509.35x = 11,937,052,492.65
  5. Step 5: Solve for x
    x = 11,937,052,492.65/125,509.35
  6. Step 6: Final answer
    x = 95,108.87

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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.