Home / 176,859.12-244,284.75-128,383.68

Finding the Fourth Proportional to 176,859.12, 244,284.75 and 128,383.68

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Solution

The fourth proportional to 176,859.12, 244,284.75 and 128,383.68 is: 177,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,859.12 : 244,284.75 = 128,383.68 : x
  2. Step 2: Convert to fraction form
    176,859.12/244,284.75 = 128,383.68/x
  3. Step 3: Cross multiply
    176,859.12x = 244,284.75 × 128,383.68
  4. Step 4: Simplify right side
    176,859.12x = 31,362,175,172.88
  5. Step 5: Solve for x
    x = 31,362,175,172.88/176,859.12
  6. Step 6: Final answer
    x = 177,328.57

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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.