Home / 188,030.16-282,041.60-45,876.38

Finding the Fourth Proportional to 188,030.16, 282,041.60 and 45,876.38

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Solution

The fourth proportional to 188,030.16, 282,041.60 and 45,876.38 is: 68,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,030.16 : 282,041.60 = 45,876.38 : x
  2. Step 2: Convert to fraction form
    188,030.16/282,041.60 = 45,876.38/x
  3. Step 3: Cross multiply
    188,030.16x = 282,041.60 × 45,876.38
  4. Step 4: Simplify right side
    188,030.16x = 12,939,045,977.82
  5. Step 5: Solve for x
    x = 12,939,045,977.82/188,030.16
  6. Step 6: Final answer
    x = 68,813.67

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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.