Home / 185,671.21-256,154.52-105,080.26

Finding the Fourth Proportional to 185,671.21, 256,154.52 and 105,080.26

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Solution

The fourth proportional to 185,671.21, 256,154.52 and 105,080.26 is: 144,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,671.21 : 256,154.52 = 105,080.26 : x
  2. Step 2: Convert to fraction form
    185,671.21/256,154.52 = 105,080.26/x
  3. Step 3: Cross multiply
    185,671.21x = 256,154.52 × 105,080.26
  4. Step 4: Simplify right side
    185,671.21x = 26,916,783,561.78
  5. Step 5: Solve for x
    x = 26,916,783,561.78/185,671.21
  6. Step 6: Final answer
    x = 144,970.15

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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.