Home / 231,048.75-346,612.53-103,011.50

Finding the Fourth Proportional to 231,048.75, 346,612.53 and 103,011.50

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Solution

The fourth proportional to 231,048.75, 346,612.53 and 103,011.50 is: 154,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,048.75 : 346,612.53 = 103,011.50 : x
  2. Step 2: Convert to fraction form
    231,048.75/346,612.53 = 103,011.50/x
  3. Step 3: Cross multiply
    231,048.75x = 346,612.53 × 103,011.50
  4. Step 4: Simplify right side
    231,048.75x = 35,705,074,901.03
  5. Step 5: Solve for x
    x = 35,705,074,901.03/231,048.75
  6. Step 6: Final answer
    x = 154,534.81

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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.