Home / 305,045.04-457,455.24-105,314.16

Finding the Fourth Proportional to 305,045.04, 457,455.24 and 105,314.16

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Solution

The fourth proportional to 305,045.04, 457,455.24 and 105,314.16 is: 157,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,045.04 : 457,455.24 = 105,314.16 : x
  2. Step 2: Convert to fraction form
    305,045.04/457,455.24 = 105,314.16/x
  3. Step 3: Cross multiply
    305,045.04x = 457,455.24 × 105,314.16
  4. Step 4: Simplify right side
    305,045.04x = 48,176,514,338.20
  5. Step 5: Solve for x
    x = 48,176,514,338.20/305,045.04
  6. Step 6: Final answer
    x = 157,932.46

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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.