Home / 106,400.34-159,623.82-31,526.36

Finding the Fourth Proportional to 106,400.34, 159,623.82 and 31,526.36

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Solution

The fourth proportional to 106,400.34, 159,623.82 and 31,526.36 is: 47,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,400.34 : 159,623.82 = 31,526.36 : x
  2. Step 2: Convert to fraction form
    106,400.34/159,623.82 = 31,526.36/x
  3. Step 3: Cross multiply
    106,400.34x = 159,623.82 × 31,526.36
  4. Step 4: Simplify right side
    106,400.34x = 5,032,358,013.90
  5. Step 5: Solve for x
    x = 5,032,358,013.90/106,400.34
  6. Step 6: Final answer
    x = 47,296.45

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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.