Home / 151,389.36-208,758.96-113,088.88

Finding the Fourth Proportional to 151,389.36, 208,758.96 and 113,088.88

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Solution

The fourth proportional to 151,389.36, 208,758.96 and 113,088.88 is: 155,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389.36 : 208,758.96 = 113,088.88 : x
  2. Step 2: Convert to fraction form
    151,389.36/208,758.96 = 113,088.88/x
  3. Step 3: Cross multiply
    151,389.36x = 208,758.96 × 113,088.88
  4. Step 4: Simplify right side
    151,389.36x = 23,608,316,976.36
  5. Step 5: Solve for x
    x = 23,608,316,976.36/151,389.36
  6. Step 6: Final answer
    x = 155,944.36

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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.