Home / 151,030.54-208,427.49-83,052.70

Finding the Fourth Proportional to 151,030.54, 208,427.49 and 83,052.70

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Solution

The fourth proportional to 151,030.54, 208,427.49 and 83,052.70 is: 114,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,030.54 : 208,427.49 = 83,052.70 : x
  2. Step 2: Convert to fraction form
    151,030.54/208,427.49 = 83,052.70/x
  3. Step 3: Cross multiply
    151,030.54x = 208,427.49 × 83,052.70
  4. Step 4: Simplify right side
    151,030.54x = 17,310,465,798.72
  5. Step 5: Solve for x
    x = 17,310,465,798.72/151,030.54
  6. Step 6: Final answer
    x = 114,615.67

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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.