Home / 127,412.90-175,831.75-70,054.70

Finding the Fourth Proportional to 127,412.90, 175,831.75 and 70,054.70

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Solution

The fourth proportional to 127,412.90, 175,831.75 and 70,054.70 is: 96,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,412.90 : 175,831.75 = 70,054.70 : x
  2. Step 2: Convert to fraction form
    127,412.90/175,831.75 = 70,054.70/x
  3. Step 3: Cross multiply
    127,412.90x = 175,831.75 × 70,054.70
  4. Step 4: Simplify right side
    127,412.90x = 12,317,840,146.45
  5. Step 5: Solve for x
    x = 12,317,840,146.45/127,412.90
  6. Step 6: Final answer
    x = 96,676.56

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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.