Home / 106,384.74-159,528.06-31,478.10

Finding the Fourth Proportional to 106,384.74, 159,528.06 and 31,478.10

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Solution

The fourth proportional to 106,384.74, 159,528.06 and 31,478.10 is: 47,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.74 : 159,528.06 = 31,478.10 : x
  2. Step 2: Convert to fraction form
    106,384.74/159,528.06 = 31,478.10/x
  3. Step 3: Cross multiply
    106,384.74x = 159,528.06 × 31,478.10
  4. Step 4: Simplify right side
    106,384.74x = 5,021,640,225.49
  5. Step 5: Solve for x
    x = 5,021,640,225.49/106,384.74
  6. Step 6: Final answer
    x = 47,202.64

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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.