Home / 236,304.15-354,509.10-86,541.45

Finding the Fourth Proportional to 236,304.15, 354,509.10 and 86,541.45

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Solution

The fourth proportional to 236,304.15, 354,509.10 and 86,541.45 is: 129,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,304.15 : 354,509.10 = 86,541.45 : x
  2. Step 2: Convert to fraction form
    236,304.15/354,509.10 = 86,541.45/x
  3. Step 3: Cross multiply
    236,304.15x = 354,509.10 × 86,541.45
  4. Step 4: Simplify right side
    236,304.15x = 30,679,731,552.20
  5. Step 5: Solve for x
    x = 30,679,731,552.20/236,304.15
  6. Step 6: Final answer
    x = 129,831.54

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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.