Home / 106,886.08-147,505.76-59,143.76

Finding the Fourth Proportional to 106,886.08, 147,505.76 and 59,143.76

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Solution

The fourth proportional to 106,886.08, 147,505.76 and 59,143.76 is: 81,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,886.08 : 147,505.76 = 59,143.76 : x
  2. Step 2: Convert to fraction form
    106,886.08/147,505.76 = 59,143.76/x
  3. Step 3: Cross multiply
    106,886.08x = 147,505.76 × 59,143.76
  4. Step 4: Simplify right side
    106,886.08x = 8,724,045,268.06
  5. Step 5: Solve for x
    x = 8,724,045,268.06/106,886.08
  6. Step 6: Final answer
    x = 81,620.03

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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.