Home / 111,188-153,442.68-60,890.24

Finding the Fourth Proportional to 111,188, 153,442.68 and 60,890.24

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Solution

The fourth proportional to 111,188, 153,442.68 and 60,890.24 is: 84,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,188 : 153,442.68 = 60,890.24 : x
  2. Step 2: Convert to fraction form
    111,188/153,442.68 = 60,890.24/x
  3. Step 3: Cross multiply
    111,188x = 153,442.68 × 60,890.24
  4. Step 4: Simplify right side
    111,188x = 9,343,161,611.44
  5. Step 5: Solve for x
    x = 9,343,161,611.44/111,188
  6. Step 6: Final answer
    x = 84,030.31

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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.