Home / 115,652.51-173,209.31-112,460.18

Finding the Fourth Proportional to 115,652.51, 173,209.31 and 112,460.18

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Solution

The fourth proportional to 115,652.51, 173,209.31 and 112,460.18 is: 168,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,652.51 : 173,209.31 = 112,460.18 : x
  2. Step 2: Convert to fraction form
    115,652.51/173,209.31 = 112,460.18/x
  3. Step 3: Cross multiply
    115,652.51x = 173,209.31 × 112,460.18
  4. Step 4: Simplify right side
    115,652.51x = 19,479,148,751.93
  5. Step 5: Solve for x
    x = 19,479,148,751.93/115,652.51
  6. Step 6: Final answer
    x = 168,428.25

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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.