Home / 145,582.56-218,395.68-52,066.40

Finding the Fourth Proportional to 145,582.56, 218,395.68 and 52,066.40

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Solution

The fourth proportional to 145,582.56, 218,395.68 and 52,066.40 is: 78,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,582.56 : 218,395.68 = 52,066.40 : x
  2. Step 2: Convert to fraction form
    145,582.56/218,395.68 = 52,066.40/x
  3. Step 3: Cross multiply
    145,582.56x = 218,395.68 × 52,066.40
  4. Step 4: Simplify right side
    145,582.56x = 11,371,076,833.15
  5. Step 5: Solve for x
    x = 11,371,076,833.15/145,582.56
  6. Step 6: Final answer
    x = 78,107.41

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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.