Home / 211,899.02-317,813.58-69,746.13

Finding the Fourth Proportional to 211,899.02, 317,813.58 and 69,746.13

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Solution

The fourth proportional to 211,899.02, 317,813.58 and 69,746.13 is: 104,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,899.02 : 317,813.58 = 69,746.13 : x
  2. Step 2: Convert to fraction form
    211,899.02/317,813.58 = 69,746.13/x
  3. Step 3: Cross multiply
    211,899.02x = 317,813.58 × 69,746.13
  4. Step 4: Simplify right side
    211,899.02x = 22,166,267,266.45
  5. Step 5: Solve for x
    x = 22,166,267,266.45/211,899.02
  6. Step 6: Final answer
    x = 104,607.69

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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.