Home / 163,750.19-245,625.24-45,421.52

Finding the Fourth Proportional to 163,750.19, 245,625.24 and 45,421.52

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Solution

The fourth proportional to 163,750.19, 245,625.24 and 45,421.52 is: 68,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750.19 : 245,625.24 = 45,421.52 : x
  2. Step 2: Convert to fraction form
    163,750.19/245,625.24 = 45,421.52/x
  3. Step 3: Cross multiply
    163,750.19x = 245,625.24 × 45,421.52
  4. Step 4: Simplify right side
    163,750.19x = 11,156,670,523.04
  5. Step 5: Solve for x
    x = 11,156,670,523.04/163,750.19
  6. Step 6: Final answer
    x = 68,132.26

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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.