Home / 201,268.48-302,038.80-76,606.24

Finding the Fourth Proportional to 201,268.48, 302,038.80 and 76,606.24

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Solution

The fourth proportional to 201,268.48, 302,038.80 and 76,606.24 is: 114,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,268.48 : 302,038.80 = 76,606.24 : x
  2. Step 2: Convert to fraction form
    201,268.48/302,038.80 = 76,606.24/x
  3. Step 3: Cross multiply
    201,268.48x = 302,038.80 × 76,606.24
  4. Step 4: Simplify right side
    201,268.48x = 23,138,056,802.11
  5. Step 5: Solve for x
    x = 23,138,056,802.11/201,268.48
  6. Step 6: Final answer
    x = 114,961.15

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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.