Home / 353,032.02-529,927.20-142,807.86

Finding the Fourth Proportional to 353,032.02, 529,927.20 and 142,807.86

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Solution

The fourth proportional to 353,032.02, 529,927.20 and 142,807.86 is: 214,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,032.02 : 529,927.20 = 142,807.86 : x
  2. Step 2: Convert to fraction form
    353,032.02/529,927.20 = 142,807.86/x
  3. Step 3: Cross multiply
    353,032.02x = 529,927.20 × 142,807.86
  4. Step 4: Simplify right side
    353,032.02x = 75,677,769,387.79
  5. Step 5: Solve for x
    x = 75,677,769,387.79/353,032.02
  6. Step 6: Final answer
    x = 214,365.17

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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.