Home / 372,256.08-513,714.60-202,490.16

Finding the Fourth Proportional to 372,256.08, 513,714.60 and 202,490.16

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Solution

The fourth proportional to 372,256.08, 513,714.60 and 202,490.16 is: 279,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,256.08 : 513,714.60 = 202,490.16 : x
  2. Step 2: Convert to fraction form
    372,256.08/513,714.60 = 202,490.16/x
  3. Step 3: Cross multiply
    372,256.08x = 513,714.60 × 202,490.16
  4. Step 4: Simplify right side
    372,256.08x = 104,022,151,548.34
  5. Step 5: Solve for x
    x = 104,022,151,548.34/372,256.08
  6. Step 6: Final answer
    x = 279,437.08

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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.