Home / 194,429.70-268,312.93-105,005.70

Finding the Fourth Proportional to 194,429.70, 268,312.93 and 105,005.70

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Solution

The fourth proportional to 194,429.70, 268,312.93 and 105,005.70 is: 144,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,429.70 : 268,312.93 = 105,005.70 : x
  2. Step 2: Convert to fraction form
    194,429.70/268,312.93 = 105,005.70/x
  3. Step 3: Cross multiply
    194,429.70x = 268,312.93 × 105,005.70
  4. Step 4: Simplify right side
    194,429.70x = 28,174,387,033.70
  5. Step 5: Solve for x
    x = 28,174,387,033.70/194,429.70
  6. Step 6: Final answer
    x = 144,907.84

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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.