Home / 145,567.94-218,222.05-56,800.80

Finding the Fourth Proportional to 145,567.94, 218,222.05 and 56,800.80

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Solution

The fourth proportional to 145,567.94, 218,222.05 and 56,800.80 is: 85,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,567.94 : 218,222.05 = 56,800.80 : x
  2. Step 2: Convert to fraction form
    145,567.94/218,222.05 = 56,800.80/x
  3. Step 3: Cross multiply
    145,567.94x = 218,222.05 × 56,800.80
  4. Step 4: Simplify right side
    145,567.94x = 12,395,186,982.14
  5. Step 5: Solve for x
    x = 12,395,186,982.14/145,567.94
  6. Step 6: Final answer
    x = 85,150.53

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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.