Home / 236,513.98-326,386.74-129,083.14

Finding the Fourth Proportional to 236,513.98, 326,386.74 and 129,083.14

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Solution

The fourth proportional to 236,513.98, 326,386.74 and 129,083.14 is: 178,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,513.98 : 326,386.74 = 129,083.14 : x
  2. Step 2: Convert to fraction form
    236,513.98/326,386.74 = 129,083.14/x
  3. Step 3: Cross multiply
    236,513.98x = 326,386.74 × 129,083.14
  4. Step 4: Simplify right side
    236,513.98x = 42,131,025,253.56
  5. Step 5: Solve for x
    x = 42,131,025,253.56/236,513.98
  6. Step 6: Final answer
    x = 178,133.34

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1.5x scale

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.