Home / 104,476.80-144,120.48-66,166.08

Finding the Fourth Proportional to 104,476.80, 144,120.48 and 66,166.08

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Solution

The fourth proportional to 104,476.80, 144,120.48 and 66,166.08 is: 91,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,476.80 : 144,120.48 = 66,166.08 : x
  2. Step 2: Convert to fraction form
    104,476.80/144,120.48 = 66,166.08/x
  3. Step 3: Cross multiply
    104,476.80x = 144,120.48 × 66,166.08
  4. Step 4: Simplify right side
    104,476.80x = 9,535,887,209.32
  5. Step 5: Solve for x
    x = 9,535,887,209.32/104,476.80
  6. Step 6: Final answer
    x = 91,272.77

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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.