Home / 127,239.60-190,859.40-117,616.80

Finding the Fourth Proportional to 127,239.60, 190,859.40 and 117,616.80

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Solution

The fourth proportional to 127,239.60, 190,859.40 and 117,616.80 is: 176,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,239.60 : 190,859.40 = 117,616.80 : x
  2. Step 2: Convert to fraction form
    127,239.60/190,859.40 = 117,616.80/x
  3. Step 3: Cross multiply
    127,239.60x = 190,859.40 × 117,616.80
  4. Step 4: Simplify right side
    127,239.60x = 22,448,271,877.92
  5. Step 5: Solve for x
    x = 22,448,271,877.92/127,239.60
  6. Step 6: Final answer
    x = 176,425.20

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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.