Home / 121,953.15-182,946.94-37,720.69

Finding the Fourth Proportional to 121,953.15, 182,946.94 and 37,720.69

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Solution

The fourth proportional to 121,953.15, 182,946.94 and 37,720.69 is: 56,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,953.15 : 182,946.94 = 37,720.69 : x
  2. Step 2: Convert to fraction form
    121,953.15/182,946.94 = 37,720.69/x
  3. Step 3: Cross multiply
    121,953.15x = 182,946.94 × 37,720.69
  4. Step 4: Simplify right side
    121,953.15x = 6,900,884,258.52
  5. Step 5: Solve for x
    x = 6,900,884,258.52/121,953.15
  6. Step 6: Final answer
    x = 56,586.36

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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.