Home / 191,184.30-263,889.79-118,609.31

Finding the Fourth Proportional to 191,184.30, 263,889.79 and 118,609.31

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Solution

The fourth proportional to 191,184.30, 263,889.79 and 118,609.31 is: 163,715.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,184.30 : 263,889.79 = 118,609.31 : x
  2. Step 2: Convert to fraction form
    191,184.30/263,889.79 = 118,609.31/x
  3. Step 3: Cross multiply
    191,184.30x = 263,889.79 × 118,609.31
  4. Step 4: Simplify right side
    191,184.30x = 31,299,786,271.15
  5. Step 5: Solve for x
    x = 31,299,786,271.15/191,184.30
  6. Step 6: Final answer
    x = 163,715.25

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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.