Home / 126,483.48-174,571.38-83,387.32

Finding the Fourth Proportional to 126,483.48, 174,571.38 and 83,387.32

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Solution

The fourth proportional to 126,483.48, 174,571.38 and 83,387.32 is: 115,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,483.48 : 174,571.38 = 83,387.32 : x
  2. Step 2: Convert to fraction form
    126,483.48/174,571.38 = 83,387.32/x
  3. Step 3: Cross multiply
    126,483.48x = 174,571.38 × 83,387.32
  4. Step 4: Simplify right side
    126,483.48x = 14,557,039,526.90
  5. Step 5: Solve for x
    x = 14,557,039,526.90/126,483.48
  6. Step 6: Final answer
    x = 115,090.44

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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.