Home / 153,784.17-230,594.04-78,873.75

Finding the Fourth Proportional to 153,784.17, 230,594.04 and 78,873.75

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Solution

The fourth proportional to 153,784.17, 230,594.04 and 78,873.75 is: 118,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,784.17 : 230,594.04 = 78,873.75 : x
  2. Step 2: Convert to fraction form
    153,784.17/230,594.04 = 78,873.75/x
  3. Step 3: Cross multiply
    153,784.17x = 230,594.04 × 78,873.75
  4. Step 4: Simplify right side
    153,784.17x = 18,187,816,662.45
  5. Step 5: Solve for x
    x = 18,187,816,662.45/153,784.17
  6. Step 6: Final answer
    x = 118,268.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.