Home / 372,113.93-513,555.36-219,200.24

Finding the Fourth Proportional to 372,113.93, 513,555.36 and 219,200.24

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Solution

The fourth proportional to 372,113.93, 513,555.36 and 219,200.24 is: 302,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,113.93 : 513,555.36 = 219,200.24 : x
  2. Step 2: Convert to fraction form
    372,113.93/513,555.36 = 219,200.24/x
  3. Step 3: Cross multiply
    372,113.93x = 513,555.36 × 219,200.24
  4. Step 4: Simplify right side
    372,113.93x = 112,571,458,627.17
  5. Step 5: Solve for x
    x = 112,571,458,627.17/372,113.93
  6. Step 6: Final answer
    x = 302,518.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.