Home / 156,328.03-215,733.43-84,708.18

Finding the Fourth Proportional to 156,328.03, 215,733.43 and 84,708.18

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Solution

The fourth proportional to 156,328.03, 215,733.43 and 84,708.18 is: 116,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,328.03 : 215,733.43 = 84,708.18 : x
  2. Step 2: Convert to fraction form
    156,328.03/215,733.43 = 84,708.18/x
  3. Step 3: Cross multiply
    156,328.03x = 215,733.43 × 84,708.18
  4. Step 4: Simplify right side
    156,328.03x = 18,274,385,849.86
  5. Step 5: Solve for x
    x = 18,274,385,849.86/156,328.03
  6. Step 6: Final answer
    x = 116,897.69

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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.