Home / 236,501.84-354,541.77-86,707.17

Finding the Fourth Proportional to 236,501.84, 354,541.77 and 86,707.17

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Solution

The fourth proportional to 236,501.84, 354,541.77 and 86,707.17 is: 129,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,501.84 : 354,541.77 = 86,707.17 : x
  2. Step 2: Convert to fraction form
    236,501.84/354,541.77 = 86,707.17/x
  3. Step 3: Cross multiply
    236,501.84x = 354,541.77 × 86,707.17
  4. Step 4: Simplify right side
    236,501.84x = 30,741,313,523.49
  5. Step 5: Solve for x
    x = 30,741,313,523.49/236,501.84
  6. Step 6: Final answer
    x = 129,983.40

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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.