Home / 153,594.03-211,956.55-85,610.73

Finding the Fourth Proportional to 153,594.03, 211,956.55 and 85,610.73

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Solution

The fourth proportional to 153,594.03, 211,956.55 and 85,610.73 is: 118,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,594.03 : 211,956.55 = 85,610.73 : x
  2. Step 2: Convert to fraction form
    153,594.03/211,956.55 = 85,610.73/x
  3. Step 3: Cross multiply
    153,594.03x = 211,956.55 × 85,610.73
  4. Step 4: Simplify right side
    153,594.03x = 18,145,754,973.78
  5. Step 5: Solve for x
    x = 18,145,754,973.78/153,594.03
  6. Step 6: Final answer
    x = 118,141.02

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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.