Home / 151,928.51-209,655.71-83,944.02

Finding the Fourth Proportional to 151,928.51, 209,655.71 and 83,944.02

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Solution

The fourth proportional to 151,928.51, 209,655.71 and 83,944.02 is: 115,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,928.51 : 209,655.71 = 83,944.02 : x
  2. Step 2: Convert to fraction form
    151,928.51/209,655.71 = 83,944.02/x
  3. Step 3: Cross multiply
    151,928.51x = 209,655.71 × 83,944.02
  4. Step 4: Simplify right side
    151,928.51x = 17,599,343,794.63
  5. Step 5: Solve for x
    x = 17,599,343,794.63/151,928.51
  6. Step 6: Final answer
    x = 115,839.64

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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.