Home / 242,567.20-364,023.60-102,426.40

Finding the Fourth Proportional to 242,567.20, 364,023.60 and 102,426.40

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Solution

The fourth proportional to 242,567.20, 364,023.60 and 102,426.40 is: 153,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,567.20 : 364,023.60 = 102,426.40 : x
  2. Step 2: Convert to fraction form
    242,567.20/364,023.60 = 102,426.40/x
  3. Step 3: Cross multiply
    242,567.20x = 364,023.60 × 102,426.40
  4. Step 4: Simplify right side
    242,567.20x = 37,285,626,863.04
  5. Step 5: Solve for x
    x = 37,285,626,863.04/242,567.20
  6. Step 6: Final answer
    x = 153,712.57

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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.