Home / 98,333.10-147,505.14-28,210.50

Finding the Fourth Proportional to 98,333.10, 147,505.14 and 28,210.50

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Solution

The fourth proportional to 98,333.10, 147,505.14 and 28,210.50 is: 42,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333.10 : 147,505.14 = 28,210.50 : x
  2. Step 2: Convert to fraction form
    98,333.10/147,505.14 = 28,210.50/x
  3. Step 3: Cross multiply
    98,333.10x = 147,505.14 × 28,210.50
  4. Step 4: Simplify right side
    98,333.10x = 4,161,193,751.97
  5. Step 5: Solve for x
    x = 4,161,193,751.97/98,333.10
  6. Step 6: Final answer
    x = 42,317.33

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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.