Home / 354,192.04-488,802.30-199,192.10

Finding the Fourth Proportional to 354,192.04, 488,802.30 and 199,192.10

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Solution

The fourth proportional to 354,192.04, 488,802.30 and 199,192.10 is: 274,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,192.04 : 488,802.30 = 199,192.10 : x
  2. Step 2: Convert to fraction form
    354,192.04/488,802.30 = 199,192.10/x
  3. Step 3: Cross multiply
    354,192.04x = 488,802.30 × 199,192.10
  4. Step 4: Simplify right side
    354,192.04x = 97,365,556,621.83
  5. Step 5: Solve for x
    x = 97,365,556,621.83/354,192.04
  6. Step 6: Final answer
    x = 274,894.82

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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.