Home / 205,056.12-282,969.54-114,407.40

Finding the Fourth Proportional to 205,056.12, 282,969.54 and 114,407.40

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Solution

The fourth proportional to 205,056.12, 282,969.54 and 114,407.40 is: 157,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,056.12 : 282,969.54 = 114,407.40 : x
  2. Step 2: Convert to fraction form
    205,056.12/282,969.54 = 114,407.40/x
  3. Step 3: Cross multiply
    205,056.12x = 282,969.54 × 114,407.40
  4. Step 4: Simplify right side
    205,056.12x = 32,373,809,350.60
  5. Step 5: Solve for x
    x = 32,373,809,350.60/205,056.12
  6. Step 6: Final answer
    x = 157,877.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.