Home / 156,593.20-216,097.52-84,971.40

Finding the Fourth Proportional to 156,593.20, 216,097.52 and 84,971.40

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Solution

The fourth proportional to 156,593.20, 216,097.52 and 84,971.40 is: 117,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,593.20 : 216,097.52 = 84,971.40 : x
  2. Step 2: Convert to fraction form
    156,593.20/216,097.52 = 84,971.40/x
  3. Step 3: Cross multiply
    156,593.20x = 216,097.52 × 84,971.40
  4. Step 4: Simplify right side
    156,593.20x = 18,362,108,810.93
  5. Step 5: Solve for x
    x = 18,362,108,810.93/156,593.20
  6. Step 6: Final answer
    x = 117,259.94

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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.