Home / 127,343.07-175,724.93-69,981.16

Finding the Fourth Proportional to 127,343.07, 175,724.93 and 69,981.16

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Solution

The fourth proportional to 127,343.07, 175,724.93 and 69,981.16 is: 96,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.07 : 175,724.93 = 69,981.16 : x
  2. Step 2: Convert to fraction form
    127,343.07/175,724.93 = 69,981.16/x
  3. Step 3: Cross multiply
    127,343.07x = 175,724.93 × 69,981.16
  4. Step 4: Simplify right side
    127,343.07x = 12,297,434,507.44
  5. Step 5: Solve for x
    x = 12,297,434,507.44/127,343.07
  6. Step 6: Final answer
    x = 96,569.33

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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.