Home / 286,531.11-429,848.53-94,415.78

Finding the Fourth Proportional to 286,531.11, 429,848.53 and 94,415.78

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Solution

The fourth proportional to 286,531.11, 429,848.53 and 94,415.78 is: 141,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,531.11 : 429,848.53 = 94,415.78 : x
  2. Step 2: Convert to fraction form
    286,531.11/429,848.53 = 94,415.78/x
  3. Step 3: Cross multiply
    286,531.11x = 429,848.53 × 94,415.78
  4. Step 4: Simplify right side
    286,531.11x = 40,584,484,241.80
  5. Step 5: Solve for x
    x = 40,584,484,241.80/286,531.11
  6. Step 6: Final answer
    x = 141,640.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.