Home / 156,835.36-216,451.38-93,173.68

Finding the Fourth Proportional to 156,835.36, 216,451.38 and 93,173.68

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Solution

The fourth proportional to 156,835.36, 216,451.38 and 93,173.68 is: 128,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,835.36 : 216,451.38 = 93,173.68 : x
  2. Step 2: Convert to fraction form
    156,835.36/216,451.38 = 93,173.68/x
  3. Step 3: Cross multiply
    156,835.36x = 216,451.38 × 93,173.68
  4. Step 4: Simplify right side
    156,835.36x = 20,167,571,615.68
  5. Step 5: Solve for x
    x = 20,167,571,615.68/156,835.36
  6. Step 6: Final answer
    x = 128,590.72

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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.