Home / 237,889.13-328,256.82-130,430.88

Finding the Fourth Proportional to 237,889.13, 328,256.82 and 130,430.88

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Solution

The fourth proportional to 237,889.13, 328,256.82 and 130,430.88 is: 179,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,889.13 : 328,256.82 = 130,430.88 : x
  2. Step 2: Convert to fraction form
    237,889.13/328,256.82 = 130,430.88/x
  3. Step 3: Cross multiply
    237,889.13x = 328,256.82 × 130,430.88
  4. Step 4: Simplify right side
    237,889.13x = 42,814,825,898.60
  5. Step 5: Solve for x
    x = 42,814,825,898.60/237,889.13
  6. Step 6: Final answer
    x = 179,978.07

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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.