Home / 286,801.04-395,795.10-157,749.49

Finding the Fourth Proportional to 286,801.04, 395,795.10 and 157,749.49

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Solution

The fourth proportional to 286,801.04, 395,795.10 and 157,749.49 is: 217,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,801.04 : 395,795.10 = 157,749.49 : x
  2. Step 2: Convert to fraction form
    286,801.04/395,795.10 = 157,749.49/x
  3. Step 3: Cross multiply
    286,801.04x = 395,795.10 × 157,749.49
  4. Step 4: Simplify right side
    286,801.04x = 62,436,474,557.34
  5. Step 5: Solve for x
    x = 62,436,474,557.34/286,801.04
  6. Step 6: Final answer
    x = 217,699.61

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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.