Home / 286,036.11-429,072.39-96,515.55

Finding the Fourth Proportional to 286,036.11, 429,072.39 and 96,515.55

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Solution

The fourth proportional to 286,036.11, 429,072.39 and 96,515.55 is: 144,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,036.11 : 429,072.39 = 96,515.55 : x
  2. Step 2: Convert to fraction form
    286,036.11/429,072.39 = 96,515.55/x
  3. Step 3: Cross multiply
    286,036.11x = 429,072.39 × 96,515.55
  4. Step 4: Simplify right side
    286,036.11x = 41,412,157,710.66
  5. Step 5: Solve for x
    x = 41,412,157,710.66/286,036.11
  6. Step 6: Final answer
    x = 144,779.47

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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.