Home / 286,063.12-429,250.20-119,967.76

Finding the Fourth Proportional to 286,063.12, 429,250.20 and 119,967.76

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Solution

The fourth proportional to 286,063.12, 429,250.20 and 119,967.76 is: 180,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,063.12 : 429,250.20 = 119,967.76 : x
  2. Step 2: Convert to fraction form
    286,063.12/429,250.20 = 119,967.76/x
  3. Step 3: Cross multiply
    286,063.12x = 429,250.20 × 119,967.76
  4. Step 4: Simplify right side
    286,063.12x = 51,496,184,973.55
  5. Step 5: Solve for x
    x = 51,496,184,973.55/286,063.12
  6. Step 6: Final answer
    x = 180,016.86

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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.