Home / 286,581.13-395,416.10-177,783.35

Finding the Fourth Proportional to 286,581.13, 395,416.10 and 177,783.35

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Solution

The fourth proportional to 286,581.13, 395,416.10 and 177,783.35 is: 245,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,581.13 : 395,416.10 = 177,783.35 : x
  2. Step 2: Convert to fraction form
    286,581.13/395,416.10 = 177,783.35/x
  3. Step 3: Cross multiply
    286,581.13x = 395,416.10 × 177,783.35
  4. Step 4: Simplify right side
    286,581.13x = 70,298,397,369.31
  5. Step 5: Solve for x
    x = 70,298,397,369.31/286,581.13
  6. Step 6: Final answer
    x = 245,300.16

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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.