Home / 155,655.97-233,539.13-76,825.56

Finding the Fourth Proportional to 155,655.97, 233,539.13 and 76,825.56

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Solution

The fourth proportional to 155,655.97, 233,539.13 and 76,825.56 is: 115,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,655.97 : 233,539.13 = 76,825.56 : x
  2. Step 2: Convert to fraction form
    155,655.97/233,539.13 = 76,825.56/x
  3. Step 3: Cross multiply
    155,655.97x = 233,539.13 × 76,825.56
  4. Step 4: Simplify right side
    155,655.97x = 17,941,774,444.16
  5. Step 5: Solve for x
    x = 17,941,774,444.16/155,655.97
  6. Step 6: Final answer
    x = 115,265.57

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1.5x scale

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.