Home / 132,740.47-183,181.76-73,124.47

Finding the Fourth Proportional to 132,740.47, 183,181.76 and 73,124.47

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Solution

The fourth proportional to 132,740.47, 183,181.76 and 73,124.47 is: 100,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,740.47 : 183,181.76 = 73,124.47 : x
  2. Step 2: Convert to fraction form
    132,740.47/183,181.76 = 73,124.47/x
  3. Step 3: Cross multiply
    132,740.47x = 183,181.76 × 73,124.47
  4. Step 4: Simplify right side
    132,740.47x = 13,395,068,197.76
  5. Step 5: Solve for x
    x = 13,395,068,197.76/132,740.47
  6. Step 6: Final answer
    x = 100,911.72

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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.