Home / 156,440.81-234,668.52-45,632.81

Finding the Fourth Proportional to 156,440.81, 234,668.52 and 45,632.81

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Solution

The fourth proportional to 156,440.81, 234,668.52 and 45,632.81 is: 68,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,440.81 : 234,668.52 = 45,632.81 : x
  2. Step 2: Convert to fraction form
    156,440.81/234,668.52 = 45,632.81/x
  3. Step 3: Cross multiply
    156,440.81x = 234,668.52 × 45,632.81
  4. Step 4: Simplify right side
    156,440.81x = 10,708,584,572.81
  5. Step 5: Solve for x
    x = 10,708,584,572.81/156,440.81
  6. Step 6: Final answer
    x = 68,451.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.