Home / 238,871.05-358,248.93-70,345.60

Finding the Fourth Proportional to 238,871.05, 358,248.93 and 70,345.60

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Solution

The fourth proportional to 238,871.05, 358,248.93 and 70,345.60 is: 105,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,871.05 : 358,248.93 = 70,345.60 : x
  2. Step 2: Convert to fraction form
    238,871.05/358,248.93 = 70,345.60/x
  3. Step 3: Cross multiply
    238,871.05x = 358,248.93 × 70,345.60
  4. Step 4: Simplify right side
    238,871.05x = 25,201,235,930.21
  5. Step 5: Solve for x
    x = 25,201,235,930.21/238,871.05
  6. Step 6: Final answer
    x = 105,501.42

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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.