Home / 119,116.06-178,646.80-71,098.21

Finding the Fourth Proportional to 119,116.06, 178,646.80 and 71,098.21

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Solution

The fourth proportional to 119,116.06, 178,646.80 and 71,098.21 is: 106,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,116.06 : 178,646.80 = 71,098.21 : x
  2. Step 2: Convert to fraction form
    119,116.06/178,646.80 = 71,098.21/x
  3. Step 3: Cross multiply
    119,116.06x = 178,646.80 × 71,098.21
  4. Step 4: Simplify right side
    119,116.06x = 12,701,467,702.23
  5. Step 5: Solve for x
    x = 12,701,467,702.23/119,116.06
  6. Step 6: Final answer
    x = 106,631.03

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1.5x scale

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.