Home / 141,193.60-211,444.80-67,235.20

Finding the Fourth Proportional to 141,193.60, 211,444.80 and 67,235.20

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Solution

The fourth proportional to 141,193.60, 211,444.80 and 67,235.20 is: 100,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,193.60 : 211,444.80 = 67,235.20 : x
  2. Step 2: Convert to fraction form
    141,193.60/211,444.80 = 67,235.20/x
  3. Step 3: Cross multiply
    141,193.60x = 211,444.80 × 67,235.20
  4. Step 4: Simplify right side
    141,193.60x = 14,216,533,416.96
  5. Step 5: Solve for x
    x = 14,216,533,416.96/141,193.60
  6. Step 6: Final answer
    x = 100,688.23

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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.