Home / 318,548.11-439,596.45-175,308.15

Finding the Fourth Proportional to 318,548.11, 439,596.45 and 175,308.15

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Solution

The fourth proportional to 318,548.11, 439,596.45 and 175,308.15 is: 241,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,548.11 : 439,596.45 = 175,308.15 : x
  2. Step 2: Convert to fraction form
    318,548.11/439,596.45 = 175,308.15/x
  3. Step 3: Cross multiply
    318,548.11x = 439,596.45 × 175,308.15
  4. Step 4: Simplify right side
    318,548.11x = 77,064,840,396.07
  5. Step 5: Solve for x
    x = 77,064,840,396.07/318,548.11
  6. Step 6: Final answer
    x = 241,925.28

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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.