Home / 208,076.47-287,114.73-126,362.22

Finding the Fourth Proportional to 208,076.47, 287,114.73 and 126,362.22

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Solution

The fourth proportional to 208,076.47, 287,114.73 and 126,362.22 is: 174,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,076.47 : 287,114.73 = 126,362.22 : x
  2. Step 2: Convert to fraction form
    208,076.47/287,114.73 = 126,362.22/x
  3. Step 3: Cross multiply
    208,076.47x = 287,114.73 × 126,362.22
  4. Step 4: Simplify right side
    208,076.47x = 36,280,455,452.77
  5. Step 5: Solve for x
    x = 36,280,455,452.77/208,076.47
  6. Step 6: Final answer
    x = 174,361.17

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1.5x scale

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.