Home / 127,247.20-190,870.80-117,624.40

Finding the Fourth Proportional to 127,247.20, 190,870.80 and 117,624.40

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Solution

The fourth proportional to 127,247.20, 190,870.80 and 117,624.40 is: 176,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,247.20 : 190,870.80 = 117,624.40 : x
  2. Step 2: Convert to fraction form
    127,247.20/190,870.80 = 117,624.40/x
  3. Step 3: Cross multiply
    127,247.20x = 190,870.80 × 117,624.40
  4. Step 4: Simplify right side
    127,247.20x = 22,451,063,327.52
  5. Step 5: Solve for x
    x = 22,451,063,327.52/127,247.20
  6. Step 6: Final answer
    x = 176,436.60

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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.