Home / 222,300.36-306,803.70-126,785.16

Finding the Fourth Proportional to 222,300.36, 306,803.70 and 126,785.16

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Solution

The fourth proportional to 222,300.36, 306,803.70 and 126,785.16 is: 174,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,300.36 : 306,803.70 = 126,785.16 : x
  2. Step 2: Convert to fraction form
    222,300.36/306,803.70 = 126,785.16/x
  3. Step 3: Cross multiply
    222,300.36x = 306,803.70 × 126,785.16
  4. Step 4: Simplify right side
    222,300.36x = 38,898,156,193.09
  5. Step 5: Solve for x
    x = 38,898,156,193.09/222,300.36
  6. Step 6: Final answer
    x = 174,980.18

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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.