Home / 374,215.09-516,416.83-204,449.22

Finding the Fourth Proportional to 374,215.09, 516,416.83 and 204,449.22

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Solution

The fourth proportional to 374,215.09, 516,416.83 and 204,449.22 is: 282,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,215.09 : 516,416.83 = 204,449.22 : x
  2. Step 2: Convert to fraction form
    374,215.09/516,416.83 = 204,449.22/x
  3. Step 3: Cross multiply
    374,215.09x = 516,416.83 × 204,449.22
  4. Step 4: Simplify right side
    374,215.09x = 105,581,018,088.37
  5. Step 5: Solve for x
    x = 105,581,018,088.37/374,215.09
  6. Step 6: Final answer
    x = 282,139.93

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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.