Home / 282,066.58-389,309.18-191,451.74

Finding the Fourth Proportional to 282,066.58, 389,309.18 and 191,451.74

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Solution

The fourth proportional to 282,066.58, 389,309.18 and 191,451.74 is: 264,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,066.58 : 389,309.18 = 191,451.74 : x
  2. Step 2: Convert to fraction form
    282,066.58/389,309.18 = 191,451.74/x
  3. Step 3: Cross multiply
    282,066.58x = 389,309.18 × 191,451.74
  4. Step 4: Simplify right side
    282,066.58x = 74,533,919,924.99
  5. Step 5: Solve for x
    x = 74,533,919,924.99/282,066.58
  6. Step 6: Final answer
    x = 264,242.30

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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.