Home / 125,803.48-173,606.32-69,215.80

Finding the Fourth Proportional to 125,803.48, 173,606.32 and 69,215.80

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Solution

The fourth proportional to 125,803.48, 173,606.32 and 69,215.80 is: 95,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,803.48 : 173,606.32 = 69,215.80 : x
  2. Step 2: Convert to fraction form
    125,803.48/173,606.32 = 69,215.80/x
  3. Step 3: Cross multiply
    125,803.48x = 173,606.32 × 69,215.80
  4. Step 4: Simplify right side
    125,803.48x = 12,016,300,323.86
  5. Step 5: Solve for x
    x = 12,016,300,323.86/125,803.48
  6. Step 6: Final answer
    x = 95,516.44

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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.