Home / 163,466.64-245,195.10-45,145.08

Finding the Fourth Proportional to 163,466.64, 245,195.10 and 45,145.08

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Solution

The fourth proportional to 163,466.64, 245,195.10 and 45,145.08 is: 67,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,466.64 : 245,195.10 = 45,145.08 : x
  2. Step 2: Convert to fraction form
    163,466.64/245,195.10 = 45,145.08/x
  3. Step 3: Cross multiply
    163,466.64x = 245,195.10 × 45,145.08
  4. Step 4: Simplify right side
    163,466.64x = 11,069,352,405.11
  5. Step 5: Solve for x
    x = 11,069,352,405.11/163,466.64
  6. Step 6: Final answer
    x = 67,716.28

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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.