Home / 236,155.36-354,234.63-86,334.01

Finding the Fourth Proportional to 236,155.36, 354,234.63 and 86,334.01

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Solution

The fourth proportional to 236,155.36, 354,234.63 and 86,334.01 is: 129,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,155.36 : 354,234.63 = 86,334.01 : x
  2. Step 2: Convert to fraction form
    236,155.36/354,234.63 = 86,334.01/x
  3. Step 3: Cross multiply
    236,155.36x = 354,234.63 × 86,334.01
  4. Step 4: Simplify right side
    236,155.36x = 30,582,496,088.77
  5. Step 5: Solve for x
    x = 30,582,496,088.77/236,155.36
  6. Step 6: Final answer
    x = 129,501.60

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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.