Home / 106,669.02-147,200.40-58,921.32

Finding the Fourth Proportional to 106,669.02, 147,200.40 and 58,921.32

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Solution

The fourth proportional to 106,669.02, 147,200.40 and 58,921.32 is: 81,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,669.02 : 147,200.40 = 58,921.32 : x
  2. Step 2: Convert to fraction form
    106,669.02/147,200.40 = 58,921.32/x
  3. Step 3: Cross multiply
    106,669.02x = 147,200.40 × 58,921.32
  4. Step 4: Simplify right side
    106,669.02x = 8,673,241,872.53
  5. Step 5: Solve for x
    x = 8,673,241,872.53/106,669.02
  6. Step 6: Final answer
    x = 81,309.85

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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.