Home / 292,175.10-438,153.30-102,562.20

Finding the Fourth Proportional to 292,175.10, 438,153.30 and 102,562.20

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Solution

The fourth proportional to 292,175.10, 438,153.30 and 102,562.20 is: 153,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,175.10 : 438,153.30 = 102,562.20 : x
  2. Step 2: Convert to fraction form
    292,175.10/438,153.30 = 102,562.20/x
  3. Step 3: Cross multiply
    292,175.10x = 438,153.30 × 102,562.20
  4. Step 4: Simplify right side
    292,175.10x = 44,937,966,385.26
  5. Step 5: Solve for x
    x = 44,937,966,385.26/292,175.10
  6. Step 6: Final answer
    x = 153,804.91

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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.