Home / 199,827.60-299,741.40-111,038.64

Finding the Fourth Proportional to 199,827.60, 299,741.40 and 111,038.64

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Solution

The fourth proportional to 199,827.60, 299,741.40 and 111,038.64 is: 166,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,827.60 : 299,741.40 = 111,038.64 : x
  2. Step 2: Convert to fraction form
    199,827.60/299,741.40 = 111,038.64/x
  3. Step 3: Cross multiply
    199,827.60x = 299,741.40 × 111,038.64
  4. Step 4: Simplify right side
    199,827.60x = 33,282,877,407.70
  5. Step 5: Solve for x
    x = 33,282,877,407.70/199,827.60
  6. Step 6: Final answer
    x = 166,557.96

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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.