Home / 163,681.51-245,521.57-45,352.50

Finding the Fourth Proportional to 163,681.51, 245,521.57 and 45,352.50

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Solution

The fourth proportional to 163,681.51, 245,521.57 and 45,352.50 is: 68,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,681.51 : 245,521.57 = 45,352.50 : x
  2. Step 2: Convert to fraction form
    163,681.51/245,521.57 = 45,352.50/x
  3. Step 3: Cross multiply
    163,681.51x = 245,521.57 × 45,352.50
  4. Step 4: Simplify right side
    163,681.51x = 11,135,017,003.43
  5. Step 5: Solve for x
    x = 11,135,017,003.43/163,681.51
  6. Step 6: Final answer
    x = 68,028.56

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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.