Home / 180,156.48-248,640.64-103,674.02

Finding the Fourth Proportional to 180,156.48, 248,640.64 and 103,674.02

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Solution

The fourth proportional to 180,156.48, 248,640.64 and 103,674.02 is: 143,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,156.48 : 248,640.64 = 103,674.02 : x
  2. Step 2: Convert to fraction form
    180,156.48/248,640.64 = 103,674.02/x
  3. Step 3: Cross multiply
    180,156.48x = 248,640.64 × 103,674.02
  4. Step 4: Simplify right side
    180,156.48x = 25,777,574,684.17
  5. Step 5: Solve for x
    x = 25,777,574,684.17/180,156.48
  6. Step 6: Final answer
    x = 143,084.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.