Home / 131,602.68-197,421.32-69,276.60

Finding the Fourth Proportional to 131,602.68, 197,421.32 and 69,276.60

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Solution

The fourth proportional to 131,602.68, 197,421.32 and 69,276.60 is: 103,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,602.68 : 197,421.32 = 69,276.60 : x
  2. Step 2: Convert to fraction form
    131,602.68/197,421.32 = 69,276.60/x
  3. Step 3: Cross multiply
    131,602.68x = 197,421.32 × 69,276.60
  4. Step 4: Simplify right side
    131,602.68x = 13,676,677,817.11
  5. Step 5: Solve for x
    x = 13,676,677,817.11/131,602.68
  6. Step 6: Final answer
    x = 103,924.01

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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.