Home / 179,126.86-247,188.90-105,539.18

Finding the Fourth Proportional to 179,126.86, 247,188.90 and 105,539.18

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Solution

The fourth proportional to 179,126.86, 247,188.90 and 105,539.18 is: 145,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,126.86 : 247,188.90 = 105,539.18 : x
  2. Step 2: Convert to fraction form
    179,126.86/247,188.90 = 105,539.18/x
  3. Step 3: Cross multiply
    179,126.86x = 247,188.90 × 105,539.18
  4. Step 4: Simplify right side
    179,126.86x = 26,088,113,811.10
  5. Step 5: Solve for x
    x = 26,088,113,811.10/179,126.86
  6. Step 6: Final answer
    x = 145,640.44

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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.