Home / 152,170.08-209,999.16-83,263.68

Finding the Fourth Proportional to 152,170.08, 209,999.16 and 83,263.68

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Solution

The fourth proportional to 152,170.08, 209,999.16 and 83,263.68 is: 114,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,170.08 : 209,999.16 = 83,263.68 : x
  2. Step 2: Convert to fraction form
    152,170.08/209,999.16 = 83,263.68/x
  3. Step 3: Cross multiply
    152,170.08x = 209,999.16 × 83,263.68
  4. Step 4: Simplify right side
    152,170.08x = 17,485,302,858.51
  5. Step 5: Solve for x
    x = 17,485,302,858.51/152,170.08
  6. Step 6: Final answer
    x = 114,906.31

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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.