Home / 185,315.34-255,735.12-100,432.41

Finding the Fourth Proportional to 185,315.34, 255,735.12 and 100,432.41

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Solution

The fourth proportional to 185,315.34, 255,735.12 and 100,432.41 is: 138,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,315.34 : 255,735.12 = 100,432.41 : x
  2. Step 2: Convert to fraction form
    185,315.34/255,735.12 = 100,432.41/x
  3. Step 3: Cross multiply
    185,315.34x = 255,735.12 × 100,432.41
  4. Step 4: Simplify right side
    185,315.34x = 25,684,094,423.24
  5. Step 5: Solve for x
    x = 25,684,094,423.24/185,315.34
  6. Step 6: Final answer
    x = 138,596.70

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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.