Home / 147,354.14-220,698.89-103,178.11

Finding the Fourth Proportional to 147,354.14, 220,698.89 and 103,178.11

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Solution

The fourth proportional to 147,354.14, 220,698.89 and 103,178.11 is: 154,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,354.14 : 220,698.89 = 103,178.11 : x
  2. Step 2: Convert to fraction form
    147,354.14/220,698.89 = 103,178.11/x
  3. Step 3: Cross multiply
    147,354.14x = 220,698.89 × 103,178.11
  4. Step 4: Simplify right side
    147,354.14x = 22,771,294,662.77
  5. Step 5: Solve for x
    x = 22,771,294,662.77/147,354.14
  6. Step 6: Final answer
    x = 154,534.47

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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.