Home / 126,605.16-174,712.14-70,015.32

Finding the Fourth Proportional to 126,605.16, 174,712.14 and 70,015.32

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Solution

The fourth proportional to 126,605.16, 174,712.14 and 70,015.32 is: 96,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,605.16 : 174,712.14 = 70,015.32 : x
  2. Step 2: Convert to fraction form
    126,605.16/174,712.14 = 70,015.32/x
  3. Step 3: Cross multiply
    126,605.16x = 174,712.14 × 70,015.32
  4. Step 4: Simplify right side
    126,605.16x = 12,232,526,389.98
  5. Step 5: Solve for x
    x = 12,232,526,389.98/126,605.16
  6. Step 6: Final answer
    x = 96,619.49

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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.