Home / 237,210.96-327,346.20-129,780.72

Finding the Fourth Proportional to 237,210.96, 327,346.20 and 129,780.72

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Solution

The fourth proportional to 237,210.96, 327,346.20 and 129,780.72 is: 179,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,210.96 : 327,346.20 = 129,780.72 : x
  2. Step 2: Convert to fraction form
    237,210.96/327,346.20 = 129,780.72/x
  3. Step 3: Cross multiply
    237,210.96x = 327,346.20 × 129,780.72
  4. Step 4: Simplify right side
    237,210.96x = 42,483,225,525.26
  5. Step 5: Solve for x
    x = 42,483,225,525.26/237,210.96
  6. Step 6: Final answer
    x = 179,094.70

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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.