Home / 112,445.37-168,531.64-82,586.32

Finding the Fourth Proportional to 112,445.37, 168,531.64 and 82,586.32

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Solution

The fourth proportional to 112,445.37, 168,531.64 and 82,586.32 is: 123,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,445.37 : 168,531.64 = 82,586.32 : x
  2. Step 2: Convert to fraction form
    112,445.37/168,531.64 = 82,586.32/x
  3. Step 3: Cross multiply
    112,445.37x = 168,531.64 × 82,586.32
  4. Step 4: Simplify right side
    112,445.37x = 13,918,407,323.37
  5. Step 5: Solve for x
    x = 13,918,407,323.37/112,445.37
  6. Step 6: Final answer
    x = 123,779.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.