Home / 286,628.34-395,552.13-157,572.25

Finding the Fourth Proportional to 286,628.34, 395,552.13 and 157,572.25

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Solution

The fourth proportional to 286,628.34, 395,552.13 and 157,572.25 is: 217,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,628.34 : 395,552.13 = 157,572.25 : x
  2. Step 2: Convert to fraction form
    286,628.34/395,552.13 = 157,572.25/x
  3. Step 3: Cross multiply
    286,628.34x = 395,552.13 × 157,572.25
  4. Step 4: Simplify right side
    286,628.34x = 62,328,039,116.39
  5. Step 5: Solve for x
    x = 62,328,039,116.39/286,628.34
  6. Step 6: Final answer
    x = 217,452.47

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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.