Home / 108,714.36-163,070.64-71,509.44

Finding the Fourth Proportional to 108,714.36, 163,070.64 and 71,509.44

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Solution

The fourth proportional to 108,714.36, 163,070.64 and 71,509.44 is: 107,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,714.36 : 163,070.64 = 71,509.44 : x
  2. Step 2: Convert to fraction form
    108,714.36/163,070.64 = 71,509.44/x
  3. Step 3: Cross multiply
    108,714.36x = 163,070.64 × 71,509.44
  4. Step 4: Simplify right side
    108,714.36x = 11,661,090,146.84
  5. Step 5: Solve for x
    x = 11,661,090,146.84/108,714.36
  6. Step 6: Final answer
    x = 107,263.57

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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.