Home / 174,540.51-261,643.77-56,128.50

Finding the Fourth Proportional to 174,540.51, 261,643.77 and 56,128.50

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Solution

The fourth proportional to 174,540.51, 261,643.77 and 56,128.50 is: 84,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,540.51 : 261,643.77 = 56,128.50 : x
  2. Step 2: Convert to fraction form
    174,540.51/261,643.77 = 56,128.50/x
  3. Step 3: Cross multiply
    174,540.51x = 261,643.77 × 56,128.50
  4. Step 4: Simplify right side
    174,540.51x = 14,685,672,344.45
  5. Step 5: Solve for x
    x = 14,685,672,344.45/174,540.51
  6. Step 6: Final answer
    x = 84,139.05

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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.