Home / 163,860.24-245,803.71-45,531.60

Finding the Fourth Proportional to 163,860.24, 245,803.71 and 45,531.60

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Solution

The fourth proportional to 163,860.24, 245,803.71 and 45,531.60 is: 68,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,860.24 : 245,803.71 = 45,531.60 : x
  2. Step 2: Convert to fraction form
    163,860.24/245,803.71 = 45,531.60/x
  3. Step 3: Cross multiply
    163,860.24x = 245,803.71 × 45,531.60
  4. Step 4: Simplify right side
    163,860.24x = 11,191,836,202.24
  5. Step 5: Solve for x
    x = 11,191,836,202.24/163,860.24
  6. Step 6: Final answer
    x = 68,301.11

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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.