Home / 163,629.99-245,417.65-45,313.29

Finding the Fourth Proportional to 163,629.99, 245,417.65 and 45,313.29

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Solution

The fourth proportional to 163,629.99, 245,417.65 and 45,313.29 is: 67,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,629.99 : 245,417.65 = 45,313.29 : x
  2. Step 2: Convert to fraction form
    163,629.99/245,417.65 = 45,313.29/x
  3. Step 3: Cross multiply
    163,629.99x = 245,417.65 × 45,313.29
  4. Step 4: Simplify right side
    163,629.99x = 11,120,681,032.29
  5. Step 5: Solve for x
    x = 11,120,681,032.29/163,629.99
  6. Step 6: Final answer
    x = 67,962.36

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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.