Home / 153,557.76-211,906.83-85,573.24

Finding the Fourth Proportional to 153,557.76, 211,906.83 and 85,573.24

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Solution

The fourth proportional to 153,557.76, 211,906.83 and 85,573.24 is: 118,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,557.76 : 211,906.83 = 85,573.24 : x
  2. Step 2: Convert to fraction form
    153,557.76/211,906.83 = 85,573.24/x
  3. Step 3: Cross multiply
    153,557.76x = 211,906.83 × 85,573.24
  4. Step 4: Simplify right side
    153,557.76x = 18,133,554,021.23
  5. Step 5: Solve for x
    x = 18,133,554,021.23/153,557.76
  6. Step 6: Final answer
    x = 118,089.47

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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.