Home / 155,792.40-233,842.20-76,995.60

Finding the Fourth Proportional to 155,792.40, 233,842.20 and 76,995.60

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Solution

The fourth proportional to 155,792.40, 233,842.20 and 76,995.60 is: 115,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,792.40 : 233,842.20 = 76,995.60 : x
  2. Step 2: Convert to fraction form
    155,792.40/233,842.20 = 76,995.60/x
  3. Step 3: Cross multiply
    155,792.40x = 233,842.20 × 76,995.60
  4. Step 4: Simplify right side
    155,792.40x = 18,004,820,494.32
  5. Step 5: Solve for x
    x = 18,004,820,494.32/155,792.40
  6. Step 6: Final answer
    x = 115,569.31

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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.