Home / 101,890.02-152,636.22-66,723.06

Finding the Fourth Proportional to 101,890.02, 152,636.22 and 66,723.06

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Solution

The fourth proportional to 101,890.02, 152,636.22 and 66,723.06 is: 99,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,890.02 : 152,636.22 = 66,723.06 : x
  2. Step 2: Convert to fraction form
    101,890.02/152,636.22 = 66,723.06/x
  3. Step 3: Cross multiply
    101,890.02x = 152,636.22 × 66,723.06
  4. Step 4: Simplify right side
    101,890.02x = 10,184,355,665.23
  5. Step 5: Solve for x
    x = 10,184,355,665.23/101,890.02
  6. Step 6: Final answer
    x = 99,954.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.