Home / 106,935.78-147,555.93-59,189.01

Finding the Fourth Proportional to 106,935.78, 147,555.93 and 59,189.01

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Solution

The fourth proportional to 106,935.78, 147,555.93 and 59,189.01 is: 81,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,935.78 : 147,555.93 = 59,189.01 : x
  2. Step 2: Convert to fraction form
    106,935.78/147,555.93 = 59,189.01/x
  3. Step 3: Cross multiply
    106,935.78x = 147,555.93 × 59,189.01
  4. Step 4: Simplify right side
    106,935.78x = 8,733,689,582.02
  5. Step 5: Solve for x
    x = 8,733,689,582.02/106,935.78
  6. Step 6: Final answer
    x = 81,672.29

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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.