Home / 145,348.20-218,054.70-56,593.80

Finding the Fourth Proportional to 145,348.20, 218,054.70 and 56,593.80

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Solution

The fourth proportional to 145,348.20, 218,054.70 and 56,593.80 is: 84,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,348.20 : 218,054.70 = 56,593.80 : x
  2. Step 2: Convert to fraction form
    145,348.20/218,054.70 = 56,593.80/x
  3. Step 3: Cross multiply
    145,348.20x = 218,054.70 × 56,593.80
  4. Step 4: Simplify right side
    145,348.20x = 12,340,544,080.86
  5. Step 5: Solve for x
    x = 12,340,544,080.86/145,348.20
  6. Step 6: Final answer
    x = 84,903.32

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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.