Home / 211,798.32-292,243.92-140,152.08

Finding the Fourth Proportional to 211,798.32, 292,243.92 and 140,152.08

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Solution

The fourth proportional to 211,798.32, 292,243.92 and 140,152.08 is: 193,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,798.32 : 292,243.92 = 140,152.08 : x
  2. Step 2: Convert to fraction form
    211,798.32/292,243.92 = 140,152.08/x
  3. Step 3: Cross multiply
    211,798.32x = 292,243.92 × 140,152.08
  4. Step 4: Simplify right side
    211,798.32x = 40,958,593,255.35
  5. Step 5: Solve for x
    x = 40,958,593,255.35/211,798.32
  6. Step 6: Final answer
    x = 193,384.88

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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.