Home / 147,222.98-203,152.45-82,699.46

Finding the Fourth Proportional to 147,222.98, 203,152.45 and 82,699.46

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Solution

The fourth proportional to 147,222.98, 203,152.45 and 82,699.46 is: 114,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,222.98 : 203,152.45 = 82,699.46 : x
  2. Step 2: Convert to fraction form
    147,222.98/203,152.45 = 82,699.46/x
  3. Step 3: Cross multiply
    147,222.98x = 203,152.45 × 82,699.46
  4. Step 4: Simplify right side
    147,222.98x = 16,800,596,690.17
  5. Step 5: Solve for x
    x = 16,800,596,690.17/147,222.98
  6. Step 6: Final answer
    x = 114,116.68

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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.