Home / 135,025.90-186,319.62-74,592.88

Finding the Fourth Proportional to 135,025.90, 186,319.62 and 74,592.88

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Solution

The fourth proportional to 135,025.90, 186,319.62 and 74,592.88 is: 102,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.90 : 186,319.62 = 74,592.88 : x
  2. Step 2: Convert to fraction form
    135,025.90/186,319.62 = 74,592.88/x
  3. Step 3: Cross multiply
    135,025.90x = 186,319.62 × 74,592.88
  4. Step 4: Simplify right side
    135,025.90x = 13,898,117,056.31
  5. Step 5: Solve for x
    x = 13,898,117,056.31/135,025.90
  6. Step 6: Final answer
    x = 102,929.27

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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.