Home / 282,380.49-389,682.27-153,316.13

Finding the Fourth Proportional to 282,380.49, 389,682.27 and 153,316.13

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Solution

The fourth proportional to 282,380.49, 389,682.27 and 153,316.13 is: 211,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,380.49 : 389,682.27 = 153,316.13 : x
  2. Step 2: Convert to fraction form
    282,380.49/389,682.27 = 153,316.13/x
  3. Step 3: Cross multiply
    282,380.49x = 389,682.27 × 153,316.13
  4. Step 4: Simplify right side
    282,380.49x = 59,744,575,617.60
  5. Step 5: Solve for x
    x = 59,744,575,617.60/282,380.49
  6. Step 6: Final answer
    x = 211,574.73

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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.