Home / 180,380.34-248,889.48-99,792.81

Finding the Fourth Proportional to 180,380.34, 248,889.48 and 99,792.81

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Solution

The fourth proportional to 180,380.34, 248,889.48 and 99,792.81 is: 137,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,380.34 : 248,889.48 = 99,792.81 : x
  2. Step 2: Convert to fraction form
    180,380.34/248,889.48 = 99,792.81/x
  3. Step 3: Cross multiply
    180,380.34x = 248,889.48 × 99,792.81
  4. Step 4: Simplify right side
    180,380.34x = 24,837,381,056.42
  5. Step 5: Solve for x
    x = 24,837,381,056.42/180,380.34
  6. Step 6: Final answer
    x = 137,694.50

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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.