Home / 282,371.28-421,066.02-243,180.24

Finding the Fourth Proportional to 282,371.28, 421,066.02 and 243,180.24

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Solution

The fourth proportional to 282,371.28, 421,066.02 and 243,180.24 is: 362,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,371.28 : 421,066.02 = 243,180.24 : x
  2. Step 2: Convert to fraction form
    282,371.28/421,066.02 = 243,180.24/x
  3. Step 3: Cross multiply
    282,371.28x = 421,066.02 × 243,180.24
  4. Step 4: Simplify right side
    282,371.28x = 102,394,935,799.45
  5. Step 5: Solve for x
    x = 102,394,935,799.45/282,371.28
  6. Step 6: Final answer
    x = 362,625.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.