Home / 153,014.41-211,146.43-85,027.07

Finding the Fourth Proportional to 153,014.41, 211,146.43 and 85,027.07

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Solution

The fourth proportional to 153,014.41, 211,146.43 and 85,027.07 is: 117,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,014.41 : 211,146.43 = 85,027.07 : x
  2. Step 2: Convert to fraction form
    153,014.41/211,146.43 = 85,027.07/x
  3. Step 3: Cross multiply
    153,014.41x = 211,146.43 × 85,027.07
  4. Step 4: Simplify right side
    153,014.41x = 17,953,162,283.86
  5. Step 5: Solve for x
    x = 17,953,162,283.86/153,014.41
  6. Step 6: Final answer
    x = 117,329.88

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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.