Home / 133,014.02-183,501.42-87,633.77

Finding the Fourth Proportional to 133,014.02, 183,501.42 and 87,633.77

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Solution

The fourth proportional to 133,014.02, 183,501.42 and 87,633.77 is: 120,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,014.02 : 183,501.42 = 87,633.77 : x
  2. Step 2: Convert to fraction form
    133,014.02/183,501.42 = 87,633.77/x
  3. Step 3: Cross multiply
    133,014.02x = 183,501.42 × 87,633.77
  4. Step 4: Simplify right side
    133,014.02x = 16,080,921,234.95
  5. Step 5: Solve for x
    x = 16,080,921,234.95/133,014.02
  6. Step 6: Final answer
    x = 120,896.44

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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.