Home / 282,341.28-389,519.84-161,417.60

Finding the Fourth Proportional to 282,341.28, 389,519.84 and 161,417.60

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Solution

The fourth proportional to 282,341.28, 389,519.84 and 161,417.60 is: 222,692.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,341.28 : 389,519.84 = 161,417.60 : x
  2. Step 2: Convert to fraction form
    282,341.28/389,519.84 = 161,417.60/x
  3. Step 3: Cross multiply
    282,341.28x = 389,519.84 × 161,417.60
  4. Step 4: Simplify right side
    282,341.28x = 62,875,354,970.50
  5. Step 5: Solve for x
    x = 62,875,354,970.50/282,341.28
  6. Step 6: Final answer
    x = 222,692.75

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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.