Home / 286,595.22-395,508.06-157,540.35

Finding the Fourth Proportional to 286,595.22, 395,508.06 and 157,540.35

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Solution

The fourth proportional to 286,595.22, 395,508.06 and 157,540.35 is: 217,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,595.22 : 395,508.06 = 157,540.35 : x
  2. Step 2: Convert to fraction form
    286,595.22/395,508.06 = 157,540.35/x
  3. Step 3: Cross multiply
    286,595.22x = 395,508.06 × 157,540.35
  4. Step 4: Simplify right side
    286,595.22x = 62,308,478,200.22
  5. Step 5: Solve for x
    x = 62,308,478,200.22/286,595.22
  6. Step 6: Final answer
    x = 217,409.34

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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.