Home / 110,920.36-153,085.94-63,178.14

Finding the Fourth Proportional to 110,920.36, 153,085.94 and 63,178.14

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Solution

The fourth proportional to 110,920.36, 153,085.94 and 63,178.14 is: 87,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,920.36 : 153,085.94 = 63,178.14 : x
  2. Step 2: Convert to fraction form
    110,920.36/153,085.94 = 63,178.14/x
  3. Step 3: Cross multiply
    110,920.36x = 153,085.94 × 63,178.14
  4. Step 4: Simplify right side
    110,920.36x = 9,671,684,949.35
  5. Step 5: Solve for x
    x = 9,671,684,949.35/110,920.36
  6. Step 6: Final answer
    x = 87,194.86

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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.