Home / 236,153.64-325,895.43-128,723.67

Finding the Fourth Proportional to 236,153.64, 325,895.43 and 128,723.67

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Solution

The fourth proportional to 236,153.64, 325,895.43 and 128,723.67 is: 177,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,153.64 : 325,895.43 = 128,723.67 : x
  2. Step 2: Convert to fraction form
    236,153.64/325,895.43 = 128,723.67/x
  3. Step 3: Cross multiply
    236,153.64x = 325,895.43 × 128,723.67
  4. Step 4: Simplify right side
    236,153.64x = 41,950,455,785.83
  5. Step 5: Solve for x
    x = 41,950,455,785.83/236,153.64
  6. Step 6: Final answer
    x = 177,640.52

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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.