Home / 238,566.48-357,851.28-70,086.12

Finding the Fourth Proportional to 238,566.48, 357,851.28 and 70,086.12

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Solution

The fourth proportional to 238,566.48, 357,851.28 and 70,086.12 is: 105,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,566.48 : 357,851.28 = 70,086.12 : x
  2. Step 2: Convert to fraction form
    238,566.48/357,851.28 = 70,086.12/x
  3. Step 3: Cross multiply
    238,566.48x = 357,851.28 × 70,086.12
  4. Step 4: Simplify right side
    238,566.48x = 25,080,407,752.23
  5. Step 5: Solve for x
    x = 25,080,407,752.23/238,566.48
  6. Step 6: Final answer
    x = 105,129.64

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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.