Home / 153,544.95-211,886.55-85,558.41

Finding the Fourth Proportional to 153,544.95, 211,886.55 and 85,558.41

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Solution

The fourth proportional to 153,544.95, 211,886.55 and 85,558.41 is: 118,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,544.95 : 211,886.55 = 85,558.41 : x
  2. Step 2: Convert to fraction form
    153,544.95/211,886.55 = 85,558.41/x
  3. Step 3: Cross multiply
    153,544.95x = 211,886.55 × 85,558.41
  4. Step 4: Simplify right side
    153,544.95x = 18,128,676,318.39
  5. Step 5: Solve for x
    x = 18,128,676,318.39/153,544.95
  6. Step 6: Final answer
    x = 118,067.55

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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.