Home / 107,220.02-147,970.33-61,906.29

Finding the Fourth Proportional to 107,220.02, 147,970.33 and 61,906.29

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Solution

The fourth proportional to 107,220.02, 147,970.33 and 61,906.29 is: 85,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,220.02 : 147,970.33 = 61,906.29 : x
  2. Step 2: Convert to fraction form
    107,220.02/147,970.33 = 61,906.29/x
  3. Step 3: Cross multiply
    107,220.02x = 147,970.33 × 61,906.29
  4. Step 4: Simplify right side
    107,220.02x = 9,160,293,450.72
  5. Step 5: Solve for x
    x = 9,160,293,450.72/107,220.02
  6. Step 6: Final answer
    x = 85,434.55

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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.