Home / 156,237.34-215,606.45-84,615.72

Finding the Fourth Proportional to 156,237.34, 215,606.45 and 84,615.72

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Solution

The fourth proportional to 156,237.34, 215,606.45 and 84,615.72 is: 116,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,237.34 : 215,606.45 = 84,615.72 : x
  2. Step 2: Convert to fraction form
    156,237.34/215,606.45 = 84,615.72/x
  3. Step 3: Cross multiply
    156,237.34x = 215,606.45 × 84,615.72
  4. Step 4: Simplify right side
    156,237.34x = 18,243,695,214.93
  5. Step 5: Solve for x
    x = 18,243,695,214.93/156,237.34
  6. Step 6: Final answer
    x = 116,769.11

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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.