Home / 318,417.33-439,415.91-175,174.30

Finding the Fourth Proportional to 318,417.33, 439,415.91 and 175,174.30

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Solution

The fourth proportional to 318,417.33, 439,415.91 and 175,174.30 is: 241,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,417.33 : 439,415.91 = 175,174.30 : x
  2. Step 2: Convert to fraction form
    318,417.33/439,415.91 = 175,174.30/x
  3. Step 3: Cross multiply
    318,417.33x = 439,415.91 × 175,174.30
  4. Step 4: Simplify right side
    318,417.33x = 76,974,373,013.35
  5. Step 5: Solve for x
    x = 76,974,373,013.35/318,417.33
  6. Step 6: Final answer
    x = 241,740.53

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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.