Home / 286,678.05-395,581.33-157,595.24

Finding the Fourth Proportional to 286,678.05, 395,581.33 and 157,595.24

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Solution

The fourth proportional to 286,678.05, 395,581.33 and 157,595.24 is: 217,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,678.05 : 395,581.33 = 157,595.24 : x
  2. Step 2: Convert to fraction form
    286,678.05/395,581.33 = 157,595.24/x
  3. Step 3: Cross multiply
    286,678.05x = 395,581.33 × 157,595.24
  4. Step 4: Simplify right side
    286,678.05x = 62,341,734,640.87
  5. Step 5: Solve for x
    x = 62,341,734,640.87/286,678.05
  6. Step 6: Final answer
    x = 217,462.53

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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.