Home / 151,090.34-208,505.12-83,114.28

Finding the Fourth Proportional to 151,090.34, 208,505.12 and 83,114.28

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Solution

The fourth proportional to 151,090.34, 208,505.12 and 83,114.28 is: 114,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,090.34 : 208,505.12 = 83,114.28 : x
  2. Step 2: Convert to fraction form
    151,090.34/208,505.12 = 83,114.28/x
  3. Step 3: Cross multiply
    151,090.34x = 208,505.12 × 83,114.28
  4. Step 4: Simplify right side
    151,090.34x = 17,329,752,509.54
  5. Step 5: Solve for x
    x = 17,329,752,509.54/151,090.34
  6. Step 6: Final answer
    x = 114,697.96

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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.