Home / 126,753.63-190,317.35-70,703.25

Finding the Fourth Proportional to 126,753.63, 190,317.35 and 70,703.25

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Solution

The fourth proportional to 126,753.63, 190,317.35 and 70,703.25 is: 106,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.63 : 190,317.35 = 70,703.25 : x
  2. Step 2: Convert to fraction form
    126,753.63/190,317.35 = 70,703.25/x
  3. Step 3: Cross multiply
    126,753.63x = 190,317.35 × 70,703.25
  4. Step 4: Simplify right side
    126,753.63x = 13,456,055,176.39
  5. Step 5: Solve for x
    x = 13,456,055,176.39/126,753.63
  6. Step 6: Final answer
    x = 106,159.13

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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.