Home / 236,427.06-354,640.65-70,215.06

Finding the Fourth Proportional to 236,427.06, 354,640.65 and 70,215.06

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Solution

The fourth proportional to 236,427.06, 354,640.65 and 70,215.06 is: 105,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,427.06 : 354,640.65 = 70,215.06 : x
  2. Step 2: Convert to fraction form
    236,427.06/354,640.65 = 70,215.06/x
  3. Step 3: Cross multiply
    236,427.06x = 354,640.65 × 70,215.06
  4. Step 4: Simplify right side
    236,427.06x = 24,901,114,518.19
  5. Step 5: Solve for x
    x = 24,901,114,518.19/236,427.06
  6. Step 6: Final answer
    x = 105,322.61

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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.