Home / 104,934.16-144,809.82-57,187.36

Finding the Fourth Proportional to 104,934.16, 144,809.82 and 57,187.36

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Solution

The fourth proportional to 104,934.16, 144,809.82 and 57,187.36 is: 78,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.16 : 144,809.82 = 57,187.36 : x
  2. Step 2: Convert to fraction form
    104,934.16/144,809.82 = 57,187.36/x
  3. Step 3: Cross multiply
    104,934.16x = 144,809.82 × 57,187.36
  4. Step 4: Simplify right side
    104,934.16x = 8,281,291,307.88
  5. Step 5: Solve for x
    x = 8,281,291,307.88/104,934.16
  6. Step 6: Final answer
    x = 78,918.93

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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.