Home / 372,041.61-513,434.97-210,899.79

Finding the Fourth Proportional to 372,041.61, 513,434.97 and 210,899.79

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Solution

The fourth proportional to 372,041.61, 513,434.97 and 210,899.79 is: 291,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,041.61 : 513,434.97 = 210,899.79 : x
  2. Step 2: Convert to fraction form
    372,041.61/513,434.97 = 210,899.79/x
  3. Step 3: Cross multiply
    372,041.61x = 513,434.97 × 210,899.79
  4. Step 4: Simplify right side
    372,041.61x = 108,283,327,351.66
  5. Step 5: Solve for x
    x = 108,283,327,351.66/372,041.61
  6. Step 6: Final answer
    x = 291,051.66

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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.