Home / 119,453.16-178,969.55-112,341.77

Finding the Fourth Proportional to 119,453.16, 178,969.55 and 112,341.77

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Solution

The fourth proportional to 119,453.16, 178,969.55 and 112,341.77 is: 168,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,453.16 : 178,969.55 = 112,341.77 : x
  2. Step 2: Convert to fraction form
    119,453.16/178,969.55 = 112,341.77/x
  3. Step 3: Cross multiply
    119,453.16x = 178,969.55 × 112,341.77
  4. Step 4: Simplify right side
    119,453.16x = 20,105,756,023.10
  5. Step 5: Solve for x
    x = 20,105,756,023.10/119,453.16
  6. Step 6: Final answer
    x = 168,314.98

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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.