Home / 286,300.50-395,131.14-173,124.06

Finding the Fourth Proportional to 286,300.50, 395,131.14 and 173,124.06

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Solution

The fourth proportional to 286,300.50, 395,131.14 and 173,124.06 is: 238,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,300.50 : 395,131.14 = 173,124.06 : x
  2. Step 2: Convert to fraction form
    286,300.50/395,131.14 = 173,124.06/x
  3. Step 3: Cross multiply
    286,300.50x = 395,131.14 × 173,124.06
  4. Step 4: Simplify right side
    286,300.50x = 68,406,707,189.23
  5. Step 5: Solve for x
    x = 68,406,707,189.23/286,300.50
  6. Step 6: Final answer
    x = 238,933.24

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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.