Home / 236,457.45-326,319.12-129,033.36

Finding the Fourth Proportional to 236,457.45, 326,319.12 and 129,033.36

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Solution

The fourth proportional to 236,457.45, 326,319.12 and 129,033.36 is: 178,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,457.45 : 326,319.12 = 129,033.36 : x
  2. Step 2: Convert to fraction form
    236,457.45/326,319.12 = 129,033.36/x
  3. Step 3: Cross multiply
    236,457.45x = 326,319.12 × 129,033.36
  4. Step 4: Simplify right side
    236,457.45x = 42,106,052,485.84
  5. Step 5: Solve for x
    x = 42,106,052,485.84/236,457.45
  6. Step 6: Final answer
    x = 178,070.31

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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.