Home / 106,667.28-147,196.44-61,341.84

Finding the Fourth Proportional to 106,667.28, 147,196.44 and 61,341.84

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Solution

The fourth proportional to 106,667.28, 147,196.44 and 61,341.84 is: 84,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,667.28 : 147,196.44 = 61,341.84 : x
  2. Step 2: Convert to fraction form
    106,667.28/147,196.44 = 61,341.84/x
  3. Step 3: Cross multiply
    106,667.28x = 147,196.44 × 61,341.84
  4. Step 4: Simplify right side
    106,667.28x = 9,029,300,471.05
  5. Step 5: Solve for x
    x = 9,029,300,471.05/106,667.28
  6. Step 6: Final answer
    x = 84,649.21

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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.