Home / 170,385.63-235,172.24-105,903.57

Finding the Fourth Proportional to 170,385.63, 235,172.24 and 105,903.57

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Solution

The fourth proportional to 170,385.63, 235,172.24 and 105,903.57 is: 146,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,385.63 : 235,172.24 = 105,903.57 : x
  2. Step 2: Convert to fraction form
    170,385.63/235,172.24 = 105,903.57/x
  3. Step 3: Cross multiply
    170,385.63x = 235,172.24 × 105,903.57
  4. Step 4: Simplify right side
    170,385.63x = 24,905,579,803.28
  5. Step 5: Solve for x
    x = 24,905,579,803.28/170,385.63
  6. Step 6: Final answer
    x = 146,171.84

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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.