Home / 236,426.18-326,266.94-128,995.88

Finding the Fourth Proportional to 236,426.18, 326,266.94 and 128,995.88

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Solution

The fourth proportional to 236,426.18, 326,266.94 and 128,995.88 is: 178,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,426.18 : 326,266.94 = 128,995.88 : x
  2. Step 2: Convert to fraction form
    236,426.18/326,266.94 = 128,995.88/x
  3. Step 3: Cross multiply
    236,426.18x = 326,266.94 × 128,995.88
  4. Step 4: Simplify right side
    236,426.18x = 42,087,091,040.21
  5. Step 5: Solve for x
    x = 42,087,091,040.21/236,426.18
  6. Step 6: Final answer
    x = 178,013.67

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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.