Home / 207,902.15-286,903.56-117,258.89

Finding the Fourth Proportional to 207,902.15, 286,903.56 and 117,258.89

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Solution

The fourth proportional to 207,902.15, 286,903.56 and 117,258.89 is: 161,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,902.15 : 286,903.56 = 117,258.89 : x
  2. Step 2: Convert to fraction form
    207,902.15/286,903.56 = 117,258.89/x
  3. Step 3: Cross multiply
    207,902.15x = 286,903.56 × 117,258.89
  4. Step 4: Simplify right side
    207,902.15x = 33,641,991,548.13
  5. Step 5: Solve for x
    x = 33,641,991,548.13/207,902.15
  6. Step 6: Final answer
    x = 161,816.47

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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.