Home / 195,123.04-269,270.24-105,699.04

Finding the Fourth Proportional to 195,123.04, 269,270.24 and 105,699.04

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Solution

The fourth proportional to 195,123.04, 269,270.24 and 105,699.04 is: 145,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,123.04 : 269,270.24 = 105,699.04 : x
  2. Step 2: Convert to fraction form
    195,123.04/269,270.24 = 105,699.04/x
  3. Step 3: Cross multiply
    195,123.04x = 269,270.24 × 105,699.04
  4. Step 4: Simplify right side
    195,123.04x = 28,461,605,868.57
  5. Step 5: Solve for x
    x = 28,461,605,868.57/195,123.04
  6. Step 6: Final answer
    x = 145,864.92

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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.