Home / 104,038.06-143,557.13-63,180.94

Finding the Fourth Proportional to 104,038.06, 143,557.13 and 63,180.94

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Solution

The fourth proportional to 104,038.06, 143,557.13 and 63,180.94 is: 87,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.06 : 143,557.13 = 63,180.94 : x
  2. Step 2: Convert to fraction form
    104,038.06/143,557.13 = 63,180.94/x
  3. Step 3: Cross multiply
    104,038.06x = 143,557.13 × 63,180.94
  4. Step 4: Simplify right side
    104,038.06x = 9,070,073,821.28
  5. Step 5: Solve for x
    x = 9,070,073,821.28/104,038.06
  6. Step 6: Final answer
    x = 87,180.34

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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.