Home / 282,334.48-389,628.42-153,278.26

Finding the Fourth Proportional to 282,334.48, 389,628.42 and 153,278.26

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Solution

The fourth proportional to 282,334.48, 389,628.42 and 153,278.26 is: 211,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,334.48 : 389,628.42 = 153,278.26 : x
  2. Step 2: Convert to fraction form
    282,334.48/389,628.42 = 153,278.26/x
  3. Step 3: Cross multiply
    282,334.48x = 389,628.42 × 153,278.26
  4. Step 4: Simplify right side
    282,334.48x = 59,721,566,264.15
  5. Step 5: Solve for x
    x = 59,721,566,264.15/282,334.48
  6. Step 6: Final answer
    x = 211,527.71

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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.