Home / 156,714.16-216,259.95-85,092.70

Finding the Fourth Proportional to 156,714.16, 216,259.95 and 85,092.70

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Solution

The fourth proportional to 156,714.16, 216,259.95 and 85,092.70 is: 117,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,714.16 : 216,259.95 = 85,092.70 : x
  2. Step 2: Convert to fraction form
    156,714.16/216,259.95 = 85,092.70/x
  3. Step 3: Cross multiply
    156,714.16x = 216,259.95 × 85,092.70
  4. Step 4: Simplify right side
    156,714.16x = 18,402,143,047.37
  5. Step 5: Solve for x
    x = 18,402,143,047.37/156,714.16
  6. Step 6: Final answer
    x = 117,424.89

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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.