Home / 119,303.07-178,950.51-30,557.35

Finding the Fourth Proportional to 119,303.07, 178,950.51 and 30,557.35

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Solution

The fourth proportional to 119,303.07, 178,950.51 and 30,557.35 is: 45,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,303.07 : 178,950.51 = 30,557.35 : x
  2. Step 2: Convert to fraction form
    119,303.07/178,950.51 = 30,557.35/x
  3. Step 3: Cross multiply
    119,303.07x = 178,950.51 × 30,557.35
  4. Step 4: Simplify right side
    119,303.07x = 5,468,252,319.21
  5. Step 5: Solve for x
    x = 5,468,252,319.21/119,303.07
  6. Step 6: Final answer
    x = 45,834.97

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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.