Home / 207,928.51-286,945.50-117,266.73

Finding the Fourth Proportional to 207,928.51, 286,945.50 and 117,266.73

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Solution

The fourth proportional to 207,928.51, 286,945.50 and 117,266.73 is: 161,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,928.51 : 286,945.50 = 117,266.73 : x
  2. Step 2: Convert to fraction form
    207,928.51/286,945.50 = 117,266.73/x
  3. Step 3: Cross multiply
    207,928.51x = 286,945.50 × 117,266.73
  4. Step 4: Simplify right side
    207,928.51x = 33,649,159,038.49
  5. Step 5: Solve for x
    x = 33,649,159,038.49/207,928.51
  6. Step 6: Final answer
    x = 161,830.42

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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.