Home / 156,186.96-215,536.98-84,566.76

Finding the Fourth Proportional to 156,186.96, 215,536.98 and 84,566.76

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Solution

The fourth proportional to 156,186.96, 215,536.98 and 84,566.76 is: 116,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,186.96 : 215,536.98 = 84,566.76 : x
  2. Step 2: Convert to fraction form
    156,186.96/215,536.98 = 84,566.76/x
  3. Step 3: Cross multiply
    156,186.96x = 215,536.98 × 84,566.76
  4. Step 4: Simplify right side
    156,186.96x = 18,227,264,058.78
  5. Step 5: Solve for x
    x = 18,227,264,058.78/156,186.96
  6. Step 6: Final answer
    x = 116,701.57

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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.