Home / 127,401.81-175,816.74-70,043.55

Finding the Fourth Proportional to 127,401.81, 175,816.74 and 70,043.55

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Solution

The fourth proportional to 127,401.81, 175,816.74 and 70,043.55 is: 96,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,401.81 : 175,816.74 = 70,043.55 : x
  2. Step 2: Convert to fraction form
    127,401.81/175,816.74 = 70,043.55/x
  3. Step 3: Cross multiply
    127,401.81x = 175,816.74 × 70,043.55
  4. Step 4: Simplify right side
    127,401.81x = 12,314,828,619.03
  5. Step 5: Solve for x
    x = 12,314,828,619.03/127,401.81
  6. Step 6: Final answer
    x = 96,661.33

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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.