Home / 191,450.16-264,196.88-119,869.68

Finding the Fourth Proportional to 191,450.16, 264,196.88 and 119,869.68

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Solution

The fourth proportional to 191,450.16, 264,196.88 and 119,869.68 is: 165,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,450.16 : 264,196.88 = 119,869.68 : x
  2. Step 2: Convert to fraction form
    191,450.16/264,196.88 = 119,869.68/x
  3. Step 3: Cross multiply
    191,450.16x = 264,196.88 × 119,869.68
  4. Step 4: Simplify right side
    191,450.16x = 31,669,195,462.60
  5. Step 5: Solve for x
    x = 31,669,195,462.60/191,450.16
  6. Step 6: Final answer
    x = 165,417.44

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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.