Home / 132,629.74-183,023.44-72,199.13

Finding the Fourth Proportional to 132,629.74, 183,023.44 and 72,199.13

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Solution

The fourth proportional to 132,629.74, 183,023.44 and 72,199.13 is: 99,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.74 : 183,023.44 = 72,199.13 : x
  2. Step 2: Convert to fraction form
    132,629.74/183,023.44 = 72,199.13/x
  3. Step 3: Cross multiply
    132,629.74x = 183,023.44 × 72,199.13
  4. Step 4: Simplify right side
    132,629.74x = 13,214,132,041.99
  5. Step 5: Solve for x
    x = 13,214,132,041.99/132,629.74
  6. Step 6: Final answer
    x = 99,631.74

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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.