Home / 104,611.08-144,743.40-91,210.32

Finding the Fourth Proportional to 104,611.08, 144,743.40 and 91,210.32

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Solution

The fourth proportional to 104,611.08, 144,743.40 and 91,210.32 is: 126,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,611.08 : 144,743.40 = 91,210.32 : x
  2. Step 2: Convert to fraction form
    104,611.08/144,743.40 = 91,210.32/x
  3. Step 3: Cross multiply
    104,611.08x = 144,743.40 × 91,210.32
  4. Step 4: Simplify right side
    104,611.08x = 13,202,091,831.89
  5. Step 5: Solve for x
    x = 13,202,091,831.89/104,611.08
  6. Step 6: Final answer
    x = 126,201.66

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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.