Home / 141,221.76-211,785.60-56,960.16

Finding the Fourth Proportional to 141,221.76, 211,785.60 and 56,960.16

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Solution

The fourth proportional to 141,221.76, 211,785.60 and 56,960.16 is: 85,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,221.76 : 211,785.60 = 56,960.16 : x
  2. Step 2: Convert to fraction form
    141,221.76/211,785.60 = 56,960.16/x
  3. Step 3: Cross multiply
    141,221.76x = 211,785.60 × 56,960.16
  4. Step 4: Simplify right side
    141,221.76x = 12,063,341,661.70
  5. Step 5: Solve for x
    x = 12,063,341,661.70/141,221.76
  6. Step 6: Final answer
    x = 85,421.27

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1.5x scale

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.