Home / 372,210.32-513,651.60-202,444.64

Finding the Fourth Proportional to 372,210.32, 513,651.60 and 202,444.64

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Solution

The fourth proportional to 372,210.32, 513,651.60 and 202,444.64 is: 279,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,210.32 : 513,651.60 = 202,444.64 : x
  2. Step 2: Convert to fraction form
    372,210.32/513,651.60 = 202,444.64/x
  3. Step 3: Cross multiply
    372,210.32x = 513,651.60 × 202,444.64
  4. Step 4: Simplify right side
    372,210.32x = 103,986,013,247.42
  5. Step 5: Solve for x
    x = 103,986,013,247.42/372,210.32
  6. Step 6: Final answer
    x = 279,374.34

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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.