Home / 135,023.66-186,343.56-74,599.60

Finding the Fourth Proportional to 135,023.66, 186,343.56 and 74,599.60

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Solution

The fourth proportional to 135,023.66, 186,343.56 and 74,599.60 is: 102,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,023.66 : 186,343.56 = 74,599.60 : x
  2. Step 2: Convert to fraction form
    135,023.66/186,343.56 = 74,599.60/x
  3. Step 3: Cross multiply
    135,023.66x = 186,343.56 × 74,599.60
  4. Step 4: Simplify right side
    135,023.66x = 13,901,155,038.58
  5. Step 5: Solve for x
    x = 13,901,155,038.58/135,023.66
  6. Step 6: Final answer
    x = 102,953.48

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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.