Home / 111,272.86-153,467.40-97,815.52

Finding the Fourth Proportional to 111,272.86, 153,467.40 and 97,815.52

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Solution

The fourth proportional to 111,272.86, 153,467.40 and 97,815.52 is: 134,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,272.86 : 153,467.40 = 97,815.52 : x
  2. Step 2: Convert to fraction form
    111,272.86/153,467.40 = 97,815.52/x
  3. Step 3: Cross multiply
    111,272.86x = 153,467.40 × 97,815.52
  4. Step 4: Simplify right side
    111,272.86x = 15,011,493,534.05
  5. Step 5: Solve for x
    x = 15,011,493,534.05/111,272.86
  6. Step 6: Final answer
    x = 134,907.05

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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.