Home / 191,404.38-264,137.64-118,780.22

Finding the Fourth Proportional to 191,404.38, 264,137.64 and 118,780.22

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Solution

The fourth proportional to 191,404.38, 264,137.64 and 118,780.22 is: 163,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,404.38 : 264,137.64 = 118,780.22 : x
  2. Step 2: Convert to fraction form
    191,404.38/264,137.64 = 118,780.22/x
  3. Step 3: Cross multiply
    191,404.38x = 264,137.64 × 118,780.22
  4. Step 4: Simplify right side
    191,404.38x = 31,374,326,989.48
  5. Step 5: Solve for x
    x = 31,374,326,989.48/191,404.38
  6. Step 6: Final answer
    x = 163,916.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.