Home / 188,054.34-282,191.67-69,807.30

Finding the Fourth Proportional to 188,054.34, 282,191.67 and 69,807.30

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Solution

The fourth proportional to 188,054.34, 282,191.67 and 69,807.30 is: 104,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,054.34 : 282,191.67 = 69,807.30 : x
  2. Step 2: Convert to fraction form
    188,054.34/282,191.67 = 69,807.30/x
  3. Step 3: Cross multiply
    188,054.34x = 282,191.67 × 69,807.30
  4. Step 4: Simplify right side
    188,054.34x = 19,699,038,565.19
  5. Step 5: Solve for x
    x = 19,699,038,565.19/188,054.34
  6. Step 6: Final answer
    x = 104,751.84

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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.