Home / 372,118.23-513,519.51-202,352.22

Finding the Fourth Proportional to 372,118.23, 513,519.51 and 202,352.22

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Solution

The fourth proportional to 372,118.23, 513,519.51 and 202,352.22 is: 279,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,118.23 : 513,519.51 = 202,352.22 : x
  2. Step 2: Convert to fraction form
    372,118.23/513,519.51 = 202,352.22/x
  3. Step 3: Cross multiply
    372,118.23x = 513,519.51 × 202,352.22
  4. Step 4: Simplify right side
    372,118.23x = 103,911,812,861.81
  5. Step 5: Solve for x
    x = 103,911,812,861.81/372,118.23
  6. Step 6: Final answer
    x = 279,244.08

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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.