Home / 103,328.10-154,955.70-47,195.10

Finding the Fourth Proportional to 103,328.10, 154,955.70 and 47,195.10

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Solution

The fourth proportional to 103,328.10, 154,955.70 and 47,195.10 is: 70,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,328.10 : 154,955.70 = 47,195.10 : x
  2. Step 2: Convert to fraction form
    103,328.10/154,955.70 = 47,195.10/x
  3. Step 3: Cross multiply
    103,328.10x = 154,955.70 × 47,195.10
  4. Step 4: Simplify right side
    103,328.10x = 7,313,149,757.07
  5. Step 5: Solve for x
    x = 7,313,149,757.07/103,328.10
  6. Step 6: Final answer
    x = 70,776.00

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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.