Home / 631,970.32-947,926.08-158,645.20

Finding the Fourth Proportional to 631,970.32, 947,926.08 and 158,645.20

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Solution

The fourth proportional to 631,970.32, 947,926.08 and 158,645.20 is: 237,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,970.32 : 947,926.08 = 158,645.20 : x
  2. Step 2: Convert to fraction form
    631,970.32/947,926.08 = 158,645.20/x
  3. Step 3: Cross multiply
    631,970.32x = 947,926.08 × 158,645.20
  4. Step 4: Simplify right side
    631,970.32x = 150,383,922,546.82
  5. Step 5: Solve for x
    x = 150,383,922,546.82/631,970.32
  6. Step 6: Final answer
    x = 237,960.42

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1.5x scale

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.