Home / 238,881.15-358,321.73-133,686.45

Finding the Fourth Proportional to 238,881.15, 358,321.73 and 133,686.45

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Solution

The fourth proportional to 238,881.15, 358,321.73 and 133,686.45 is: 200,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,881.15 : 358,321.73 = 133,686.45 : x
  2. Step 2: Convert to fraction form
    238,881.15/358,321.73 = 133,686.45/x
  3. Step 3: Cross multiply
    238,881.15x = 358,321.73 × 133,686.45
  4. Step 4: Simplify right side
    238,881.15x = 47,902,759,373.13
  5. Step 5: Solve for x
    x = 47,902,759,373.13/238,881.15
  6. Step 6: Final answer
    x = 200,529.68

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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.