Home / 282,528.77-389,992.01-187,066.22

Finding the Fourth Proportional to 282,528.77, 389,992.01 and 187,066.22

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Solution

The fourth proportional to 282,528.77, 389,992.01 and 187,066.22 is: 258,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,528.77 : 389,992.01 = 187,066.22 : x
  2. Step 2: Convert to fraction form
    282,528.77/389,992.01 = 187,066.22/x
  3. Step 3: Cross multiply
    282,528.77x = 389,992.01 × 187,066.22
  4. Step 4: Simplify right side
    282,528.77x = 72,954,328,255.61
  5. Step 5: Solve for x
    x = 72,954,328,255.61/282,528.77
  6. Step 6: Final answer
    x = 258,219.12

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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.