Home / 305,043.04-457,452.24-105,312.16

Finding the Fourth Proportional to 305,043.04, 457,452.24 and 105,312.16

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Solution

The fourth proportional to 305,043.04, 457,452.24 and 105,312.16 is: 157,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,043.04 : 457,452.24 = 105,312.16 : x
  2. Step 2: Convert to fraction form
    305,043.04/457,452.24 = 105,312.16/x
  3. Step 3: Cross multiply
    305,043.04x = 457,452.24 × 105,312.16
  4. Step 4: Simplify right side
    305,043.04x = 48,175,283,491.24
  5. Step 5: Solve for x
    x = 48,175,283,491.24/305,043.04
  6. Step 6: Final answer
    x = 157,929.46

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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.