Home / 135,290.60-202,954.32-56,386.36

Finding the Fourth Proportional to 135,290.60, 202,954.32 and 56,386.36

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Solution

The fourth proportional to 135,290.60, 202,954.32 and 56,386.36 is: 84,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,290.60 : 202,954.32 = 56,386.36 : x
  2. Step 2: Convert to fraction form
    135,290.60/202,954.32 = 56,386.36/x
  3. Step 3: Cross multiply
    135,290.60x = 202,954.32 × 56,386.36
  4. Step 4: Simplify right side
    135,290.60x = 11,443,855,351.08
  5. Step 5: Solve for x
    x = 11,443,855,351.08/135,290.60
  6. Step 6: Final answer
    x = 84,587.22

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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.