Home / 369,919.62-554,904.03-130,004.51

Finding the Fourth Proportional to 369,919.62, 554,904.03 and 130,004.51

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Solution

The fourth proportional to 369,919.62, 554,904.03 and 130,004.51 is: 195,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,919.62 : 554,904.03 = 130,004.51 : x
  2. Step 2: Convert to fraction form
    369,919.62/554,904.03 = 130,004.51/x
  3. Step 3: Cross multiply
    369,919.62x = 554,904.03 × 130,004.51
  4. Step 4: Simplify right side
    369,919.62x = 72,140,024,230.17
  5. Step 5: Solve for x
    x = 72,140,024,230.17/369,919.62
  6. Step 6: Final answer
    x = 195,015.40

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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.