Home / 191,110.18-286,708.20-64,743.16

Finding the Fourth Proportional to 191,110.18, 286,708.20 and 64,743.16

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Solution

The fourth proportional to 191,110.18, 286,708.20 and 64,743.16 is: 97,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,110.18 : 286,708.20 = 64,743.16 : x
  2. Step 2: Convert to fraction form
    191,110.18/286,708.20 = 64,743.16/x
  3. Step 3: Cross multiply
    191,110.18x = 286,708.20 × 64,743.16
  4. Step 4: Simplify right side
    191,110.18x = 18,562,394,865.91
  5. Step 5: Solve for x
    x = 18,562,394,865.91/191,110.18
  6. Step 6: Final answer
    x = 97,129.28

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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.