Home / 123,456.04-185,259.66-53,333.80

Finding the Fourth Proportional to 123,456.04, 185,259.66 and 53,333.80

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Solution

The fourth proportional to 123,456.04, 185,259.66 and 53,333.80 is: 80,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,456.04 : 185,259.66 = 53,333.80 : x
  2. Step 2: Convert to fraction form
    123,456.04/185,259.66 = 53,333.80/x
  3. Step 3: Cross multiply
    123,456.04x = 185,259.66 × 53,333.80
  4. Step 4: Simplify right side
    123,456.04x = 9,880,601,654.51
  5. Step 5: Solve for x
    x = 9,880,601,654.51/123,456.04
  6. Step 6: Final answer
    x = 80,033.36

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1.5x scale

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.