Home / 318,302.15-439,266.24-175,071.47

Finding the Fourth Proportional to 318,302.15, 439,266.24 and 175,071.47

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Solution

The fourth proportional to 318,302.15, 439,266.24 and 175,071.47 is: 241,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,302.15 : 439,266.24 = 175,071.47 : x
  2. Step 2: Convert to fraction form
    318,302.15/439,266.24 = 175,071.47/x
  3. Step 3: Cross multiply
    318,302.15x = 439,266.24 × 175,071.47
  4. Step 4: Simplify right side
    318,302.15x = 76,902,984,161.84
  5. Step 5: Solve for x
    x = 76,902,984,161.84/318,302.15
  6. Step 6: Final answer
    x = 241,603.73

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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.