Home / 318,069.46-438,926.07-174,829.06

Finding the Fourth Proportional to 318,069.46, 438,926.07 and 174,829.06

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Solution

The fourth proportional to 318,069.46, 438,926.07 and 174,829.06 is: 241,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,069.46 : 438,926.07 = 174,829.06 : x
  2. Step 2: Convert to fraction form
    318,069.46/438,926.07 = 174,829.06/x
  3. Step 3: Cross multiply
    318,069.46x = 438,926.07 × 174,829.06
  4. Step 4: Simplify right side
    318,069.46x = 76,737,032,227.59
  5. Step 5: Solve for x
    x = 76,737,032,227.59/318,069.46
  6. Step 6: Final answer
    x = 241,258.72

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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.