Home / 190,341.36-262,725.12-114,894.72

Finding the Fourth Proportional to 190,341.36, 262,725.12 and 114,894.72

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Solution

The fourth proportional to 190,341.36, 262,725.12 and 114,894.72 is: 158,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,341.36 : 262,725.12 = 114,894.72 : x
  2. Step 2: Convert to fraction form
    190,341.36/262,725.12 = 114,894.72/x
  3. Step 3: Cross multiply
    190,341.36x = 262,725.12 × 114,894.72
  4. Step 4: Simplify right side
    190,341.36x = 30,185,729,099.37
  5. Step 5: Solve for x
    x = 30,185,729,099.37/190,341.36
  6. Step 6: Final answer
    x = 158,587.34

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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.