Home / 130,609.64-180,252.04-73,247.86

Finding the Fourth Proportional to 130,609.64, 180,252.04 and 73,247.86

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Solution

The fourth proportional to 130,609.64, 180,252.04 and 73,247.86 is: 101,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,609.64 : 180,252.04 = 73,247.86 : x
  2. Step 2: Convert to fraction form
    130,609.64/180,252.04 = 73,247.86/x
  3. Step 3: Cross multiply
    130,609.64x = 180,252.04 × 73,247.86
  4. Step 4: Simplify right side
    130,609.64x = 13,203,076,190.63
  5. Step 5: Solve for x
    x = 13,203,076,190.63/130,609.64
  6. Step 6: Final answer
    x = 101,088.07

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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.