Home / 318,394.27-439,368.21-175,150.63

Finding the Fourth Proportional to 318,394.27, 439,368.21 and 175,150.63

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Solution

The fourth proportional to 318,394.27, 439,368.21 and 175,150.63 is: 241,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,394.27 : 439,368.21 = 175,150.63 : x
  2. Step 2: Convert to fraction form
    318,394.27/439,368.21 = 175,150.63/x
  3. Step 3: Cross multiply
    318,394.27x = 439,368.21 × 175,150.63
  4. Step 4: Simplify right side
    318,394.27x = 76,955,618,783.47
  5. Step 5: Solve for x
    x = 76,955,618,783.47/318,394.27
  6. Step 6: Final answer
    x = 241,699.13

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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.