Home / 331,750.36-457,837.50-188,510.68

Finding the Fourth Proportional to 331,750.36, 457,837.50 and 188,510.68

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Solution

The fourth proportional to 331,750.36, 457,837.50 and 188,510.68 is: 260,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,750.36 : 457,837.50 = 188,510.68 : x
  2. Step 2: Convert to fraction form
    331,750.36/457,837.50 = 188,510.68/x
  3. Step 3: Cross multiply
    331,750.36x = 457,837.50 × 188,510.68
  4. Step 4: Simplify right side
    331,750.36x = 86,307,258,454.50
  5. Step 5: Solve for x
    x = 86,307,258,454.50/331,750.36
  6. Step 6: Final answer
    x = 260,157.24

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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.