Home / 156,447.02-215,897.34-84,827.06

Finding the Fourth Proportional to 156,447.02, 215,897.34 and 84,827.06

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Solution

The fourth proportional to 156,447.02, 215,897.34 and 84,827.06 is: 117,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,447.02 : 215,897.34 = 84,827.06 : x
  2. Step 2: Convert to fraction form
    156,447.02/215,897.34 = 84,827.06/x
  3. Step 3: Cross multiply
    156,447.02x = 215,897.34 × 84,827.06
  4. Step 4: Simplify right side
    156,447.02x = 18,313,936,614.02
  5. Step 5: Solve for x
    x = 18,313,936,614.02/156,447.02
  6. Step 6: Final answer
    x = 117,061.59

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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.