Home / 104,125.82-143,586.23-89,068.32

Finding the Fourth Proportional to 104,125.82, 143,586.23 and 89,068.32

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Solution

The fourth proportional to 104,125.82, 143,586.23 and 89,068.32 is: 122,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.82 : 143,586.23 = 89,068.32 : x
  2. Step 2: Convert to fraction form
    104,125.82/143,586.23 = 89,068.32/x
  3. Step 3: Cross multiply
    104,125.82x = 143,586.23 × 89,068.32
  4. Step 4: Simplify right side
    104,125.82x = 12,788,983,835.89
  5. Step 5: Solve for x
    x = 12,788,983,835.89/104,125.82
  6. Step 6: Final answer
    x = 122,822.41

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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.