Home / 162,421.18-243,658.04-50,075.12

Finding the Fourth Proportional to 162,421.18, 243,658.04 and 50,075.12

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Solution

The fourth proportional to 162,421.18, 243,658.04 and 50,075.12 is: 75,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,421.18 : 243,658.04 = 50,075.12 : x
  2. Step 2: Convert to fraction form
    162,421.18/243,658.04 = 50,075.12/x
  3. Step 3: Cross multiply
    162,421.18x = 243,658.04 × 50,075.12
  4. Step 4: Simplify right side
    162,421.18x = 12,201,205,591.96
  5. Step 5: Solve for x
    x = 12,201,205,591.96/162,421.18
  6. Step 6: Final answer
    x = 75,120.78

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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.