Home / 104,934.06-144,807.12-57,187.80

Finding the Fourth Proportional to 104,934.06, 144,807.12 and 57,187.80

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Solution

The fourth proportional to 104,934.06, 144,807.12 and 57,187.80 is: 78,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.06 : 144,807.12 = 57,187.80 : x
  2. Step 2: Convert to fraction form
    104,934.06/144,807.12 = 57,187.80/x
  3. Step 3: Cross multiply
    104,934.06x = 144,807.12 × 57,187.80
  4. Step 4: Simplify right side
    104,934.06x = 8,281,200,617.14
  5. Step 5: Solve for x
    x = 8,281,200,617.14/104,934.06
  6. Step 6: Final answer
    x = 78,918.14

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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.