Home / 402,582.69-603,947.95-132,726.74

Finding the Fourth Proportional to 402,582.69, 603,947.95 and 132,726.74

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Solution

The fourth proportional to 402,582.69, 603,947.95 and 132,726.74 is: 199,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,582.69 : 603,947.95 = 132,726.74 : x
  2. Step 2: Convert to fraction form
    402,582.69/603,947.95 = 132,726.74/x
  3. Step 3: Cross multiply
    402,582.69x = 603,947.95 × 132,726.74
  4. Step 4: Simplify right side
    402,582.69x = 80,160,039,181.63
  5. Step 5: Solve for x
    x = 80,160,039,181.63/402,582.69
  6. Step 6: Final answer
    x = 199,114.47

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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.