Home / 201,645.18-302,511.60-61,400.16

Finding the Fourth Proportional to 201,645.18, 302,511.60 and 61,400.16

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Solution

The fourth proportional to 201,645.18, 302,511.60 and 61,400.16 is: 92,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,645.18 : 302,511.60 = 61,400.16 : x
  2. Step 2: Convert to fraction form
    201,645.18/302,511.60 = 61,400.16/x
  3. Step 3: Cross multiply
    201,645.18x = 302,511.60 × 61,400.16
  4. Step 4: Simplify right side
    201,645.18x = 18,574,260,641.86
  5. Step 5: Solve for x
    x = 18,574,260,641.86/201,645.18
  6. Step 6: Final answer
    x = 92,113.59

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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.