Home / 151,014.51-208,400.56-83,035.76

Finding the Fourth Proportional to 151,014.51, 208,400.56 and 83,035.76

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Solution

The fourth proportional to 151,014.51, 208,400.56 and 83,035.76 is: 114,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,014.51 : 208,400.56 = 83,035.76 : x
  2. Step 2: Convert to fraction form
    151,014.51/208,400.56 = 83,035.76/x
  3. Step 3: Cross multiply
    151,014.51x = 208,400.56 × 83,035.76
  4. Step 4: Simplify right side
    151,014.51x = 17,304,698,220.56
  5. Step 5: Solve for x
    x = 17,304,698,220.56/151,014.51
  6. Step 6: Final answer
    x = 114,589.64

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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.