Home / 151,190.07-208,656.28-83,220.84

Finding the Fourth Proportional to 151,190.07, 208,656.28 and 83,220.84

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Solution

The fourth proportional to 151,190.07, 208,656.28 and 83,220.84 is: 114,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,190.07 : 208,656.28 = 83,220.84 : x
  2. Step 2: Convert to fraction form
    151,190.07/208,656.28 = 83,220.84/x
  3. Step 3: Cross multiply
    151,190.07x = 208,656.28 × 83,220.84
  4. Step 4: Simplify right side
    151,190.07x = 17,364,551,349.69
  5. Step 5: Solve for x
    x = 17,364,551,349.69/151,190.07
  6. Step 6: Final answer
    x = 114,852.46

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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.