Home / 119,588.86-164,855.46-76,562.20

Finding the Fourth Proportional to 119,588.86, 164,855.46 and 76,562.20

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Solution

The fourth proportional to 119,588.86, 164,855.46 and 76,562.20 is: 105,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,588.86 : 164,855.46 = 76,562.20 : x
  2. Step 2: Convert to fraction form
    119,588.86/164,855.46 = 76,562.20/x
  3. Step 3: Cross multiply
    119,588.86x = 164,855.46 × 76,562.20
  4. Step 4: Simplify right side
    119,588.86x = 12,621,696,699.61
  5. Step 5: Solve for x
    x = 12,621,696,699.61/119,588.86
  6. Step 6: Final answer
    x = 105,542.41

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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.