Home / 156,950.48-216,590.60-85,330.51

Finding the Fourth Proportional to 156,950.48, 216,590.60 and 85,330.51

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Solution

The fourth proportional to 156,950.48, 216,590.60 and 85,330.51 is: 117,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.48 : 216,590.60 = 85,330.51 : x
  2. Step 2: Convert to fraction form
    156,950.48/216,590.60 = 85,330.51/x
  3. Step 3: Cross multiply
    156,950.48x = 216,590.60 × 85,330.51
  4. Step 4: Simplify right side
    156,950.48x = 18,481,786,031.06
  5. Step 5: Solve for x
    x = 18,481,786,031.06/156,950.48
  6. Step 6: Final answer
    x = 117,755.52

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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.