Home / 268,360.47-370,340.31-145,852.84

Finding the Fourth Proportional to 268,360.47, 370,340.31 and 145,852.84

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Solution

The fourth proportional to 268,360.47, 370,340.31 and 145,852.84 is: 201,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,360.47 : 370,340.31 = 145,852.84 : x
  2. Step 2: Convert to fraction form
    268,360.47/370,340.31 = 145,852.84/x
  3. Step 3: Cross multiply
    268,360.47x = 370,340.31 × 145,852.84
  4. Step 4: Simplify right side
    268,360.47x = 54,015,185,979.98
  5. Step 5: Solve for x
    x = 54,015,185,979.98/268,360.47
  6. Step 6: Final answer
    x = 201,278.47

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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.