Home / 163,412.11-245,132.29-45,083.45

Finding the Fourth Proportional to 163,412.11, 245,132.29 and 45,083.45

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Solution

The fourth proportional to 163,412.11, 245,132.29 and 45,083.45 is: 67,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,412.11 : 245,132.29 = 45,083.45 : x
  2. Step 2: Convert to fraction form
    163,412.11/245,132.29 = 45,083.45/x
  3. Step 3: Cross multiply
    163,412.11x = 245,132.29 × 45,083.45
  4. Step 4: Simplify right side
    163,412.11x = 11,051,408,784.44
  5. Step 5: Solve for x
    x = 11,051,408,784.44/163,412.11
  6. Step 6: Final answer
    x = 67,629.07

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1.5x scale

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.