Home / 106,716.03-147,288.50-70,353.65

Finding the Fourth Proportional to 106,716.03, 147,288.50 and 70,353.65

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Solution

The fourth proportional to 106,716.03, 147,288.50 and 70,353.65 is: 97,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,716.03 : 147,288.50 = 70,353.65 : x
  2. Step 2: Convert to fraction form
    106,716.03/147,288.50 = 70,353.65/x
  3. Step 3: Cross multiply
    106,716.03x = 147,288.50 × 70,353.65
  4. Step 4: Simplify right side
    106,716.03x = 10,362,282,489.81
  5. Step 5: Solve for x
    x = 10,362,282,489.81/106,716.03
  6. Step 6: Final answer
    x = 97,101.46

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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.