Home / 369,460.80-554,249.28-120,084.48

Finding the Fourth Proportional to 369,460.80, 554,249.28 and 120,084.48

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Solution

The fourth proportional to 369,460.80, 554,249.28 and 120,084.48 is: 180,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,460.80 : 554,249.28 = 120,084.48 : x
  2. Step 2: Convert to fraction form
    369,460.80/554,249.28 = 120,084.48/x
  3. Step 3: Cross multiply
    369,460.80x = 554,249.28 × 120,084.48
  4. Step 4: Simplify right side
    369,460.80x = 66,556,736,579.17
  5. Step 5: Solve for x
    x = 66,556,736,579.17/369,460.80
  6. Step 6: Final answer
    x = 180,145.60

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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.