Home / 158,389.40-237,614.88-51,803.12

Finding the Fourth Proportional to 158,389.40, 237,614.88 and 51,803.12

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Solution

The fourth proportional to 158,389.40, 237,614.88 and 51,803.12 is: 77,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,389.40 : 237,614.88 = 51,803.12 : x
  2. Step 2: Convert to fraction form
    158,389.40/237,614.88 = 51,803.12/x
  3. Step 3: Cross multiply
    158,389.40x = 237,614.88 × 51,803.12
  4. Step 4: Simplify right side
    158,389.40x = 12,309,192,142.43
  5. Step 5: Solve for x
    x = 12,309,192,142.43/158,389.40
  6. Step 6: Final answer
    x = 77,714.75

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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.