Home / 353,002.14-529,728.39-128,341.01

Finding the Fourth Proportional to 353,002.14, 529,728.39 and 128,341.01

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Solution

The fourth proportional to 353,002.14, 529,728.39 and 128,341.01 is: 192,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,002.14 : 529,728.39 = 128,341.01 : x
  2. Step 2: Convert to fraction form
    353,002.14/529,728.39 = 128,341.01/x
  3. Step 3: Cross multiply
    353,002.14x = 529,728.39 × 128,341.01
  4. Step 4: Simplify right side
    353,002.14x = 67,985,877,922.59
  5. Step 5: Solve for x
    x = 67,985,877,922.59/353,002.14
  6. Step 6: Final answer
    x = 192,593.39

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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.