Home / 117,477.12-176,215.68-112,457.96

Finding the Fourth Proportional to 117,477.12, 176,215.68 and 112,457.96

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Solution

The fourth proportional to 117,477.12, 176,215.68 and 112,457.96 is: 168,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,477.12 : 176,215.68 = 112,457.96 : x
  2. Step 2: Convert to fraction form
    117,477.12/176,215.68 = 112,457.96/x
  3. Step 3: Cross multiply
    117,477.12x = 176,215.68 × 112,457.96
  4. Step 4: Simplify right side
    117,477.12x = 19,816,855,892.81
  5. Step 5: Solve for x
    x = 19,816,855,892.81/117,477.12
  6. Step 6: Final answer
    x = 168,686.94

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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.