Home / 369,913.86-554,875.50-130,018.08

Finding the Fourth Proportional to 369,913.86, 554,875.50 and 130,018.08

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Solution

The fourth proportional to 369,913.86, 554,875.50 and 130,018.08 is: 195,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,913.86 : 554,875.50 = 130,018.08 : x
  2. Step 2: Convert to fraction form
    369,913.86/554,875.50 = 130,018.08/x
  3. Step 3: Cross multiply
    369,913.86x = 554,875.50 × 130,018.08
  4. Step 4: Simplify right side
    369,913.86x = 72,143,847,149.04
  5. Step 5: Solve for x
    x = 72,143,847,149.04/369,913.86
  6. Step 6: Final answer
    x = 195,028.78

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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.