Home / 126,729.60-190,036.80-56,572.80

Finding the Fourth Proportional to 126,729.60, 190,036.80 and 56,572.80

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Solution

The fourth proportional to 126,729.60, 190,036.80 and 56,572.80 is: 84,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,729.60 : 190,036.80 = 56,572.80 : x
  2. Step 2: Convert to fraction form
    126,729.60/190,036.80 = 56,572.80/x
  3. Step 3: Cross multiply
    126,729.60x = 190,036.80 × 56,572.80
  4. Step 4: Simplify right side
    126,729.60x = 10,750,913,879.04
  5. Step 5: Solve for x
    x = 10,750,913,879.04/126,729.60
  6. Step 6: Final answer
    x = 84,833.49

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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.