Home / 114,346.21-170,864.08-87,179.11

Finding the Fourth Proportional to 114,346.21, 170,864.08 and 87,179.11

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Solution

The fourth proportional to 114,346.21, 170,864.08 and 87,179.11 is: 130,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,346.21 : 170,864.08 = 87,179.11 : x
  2. Step 2: Convert to fraction form
    114,346.21/170,864.08 = 87,179.11/x
  3. Step 3: Cross multiply
    114,346.21x = 170,864.08 × 87,179.11
  4. Step 4: Simplify right side
    114,346.21x = 14,895,777,135.15
  5. Step 5: Solve for x
    x = 14,895,777,135.15/114,346.21
  6. Step 6: Final answer
    x = 130,269.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.