Home / 139,927.51-193,102.16-76,265.23

Finding the Fourth Proportional to 139,927.51, 193,102.16 and 76,265.23

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Solution

The fourth proportional to 139,927.51, 193,102.16 and 76,265.23 is: 105,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,927.51 : 193,102.16 = 76,265.23 : x
  2. Step 2: Convert to fraction form
    139,927.51/193,102.16 = 76,265.23/x
  3. Step 3: Cross multiply
    139,927.51x = 193,102.16 × 76,265.23
  4. Step 4: Simplify right side
    139,927.51x = 14,726,980,264.57
  5. Step 5: Solve for x
    x = 14,726,980,264.57/139,927.51
  6. Step 6: Final answer
    x = 105,247.21

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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.