Home / 163,870.08-245,951.64-83,962.56

Finding the Fourth Proportional to 163,870.08, 245,951.64 and 83,962.56

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Solution

The fourth proportional to 163,870.08, 245,951.64 and 83,962.56 is: 126,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,870.08 : 245,951.64 = 83,962.56 : x
  2. Step 2: Convert to fraction form
    163,870.08/245,951.64 = 83,962.56/x
  3. Step 3: Cross multiply
    163,870.08x = 245,951.64 × 83,962.56
  4. Step 4: Simplify right side
    163,870.08x = 20,650,729,330.60
  5. Step 5: Solve for x
    x = 20,650,729,330.60/163,870.08
  6. Step 6: Final answer
    x = 126,018.91

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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.