Home / 147,460.42-221,178.34-76,306.38

Finding the Fourth Proportional to 147,460.42, 221,178.34 and 76,306.38

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Solution

The fourth proportional to 147,460.42, 221,178.34 and 76,306.38 is: 114,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,460.42 : 221,178.34 = 76,306.38 : x
  2. Step 2: Convert to fraction form
    147,460.42/221,178.34 = 76,306.38/x
  3. Step 3: Cross multiply
    147,460.42x = 221,178.34 × 76,306.38
  4. Step 4: Simplify right side
    147,460.42x = 16,877,318,459.81
  5. Step 5: Solve for x
    x = 16,877,318,459.81/147,460.42
  6. Step 6: Final answer
    x = 114,453.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.