Home / 156,283.17-215,670.55-84,663.48

Finding the Fourth Proportional to 156,283.17, 215,670.55 and 84,663.48

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Solution

The fourth proportional to 156,283.17, 215,670.55 and 84,663.48 is: 116,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,283.17 : 215,670.55 = 84,663.48 : x
  2. Step 2: Convert to fraction form
    156,283.17/215,670.55 = 84,663.48/x
  3. Step 3: Cross multiply
    156,283.17x = 215,670.55 × 84,663.48
  4. Step 4: Simplify right side
    156,283.17x = 18,259,419,296.51
  5. Step 5: Solve for x
    x = 18,259,419,296.51/156,283.17
  6. Step 6: Final answer
    x = 116,835.48

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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.