Home / 134,624.80-185,783.48-74,197.60

Finding the Fourth Proportional to 134,624.80, 185,783.48 and 74,197.60

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Solution

The fourth proportional to 134,624.80, 185,783.48 and 74,197.60 is: 102,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,624.80 : 185,783.48 = 74,197.60 : x
  2. Step 2: Convert to fraction form
    134,624.80/185,783.48 = 74,197.60/x
  3. Step 3: Cross multiply
    134,624.80x = 185,783.48 × 74,197.60
  4. Step 4: Simplify right side
    134,624.80x = 13,784,688,335.65
  5. Step 5: Solve for x
    x = 13,784,688,335.65/134,624.80
  6. Step 6: Final answer
    x = 102,393.38

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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.