Home / 156,585.96-216,090.18-84,966.57

Finding the Fourth Proportional to 156,585.96, 216,090.18 and 84,966.57

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Solution

The fourth proportional to 156,585.96, 216,090.18 and 84,966.57 is: 117,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,585.96 : 216,090.18 = 84,966.57 : x
  2. Step 2: Convert to fraction form
    156,585.96/216,090.18 = 84,966.57/x
  3. Step 3: Cross multiply
    156,585.96x = 216,090.18 × 84,966.57
  4. Step 4: Simplify right side
    156,585.96x = 18,360,441,405.28
  5. Step 5: Solve for x
    x = 18,360,441,405.28/156,585.96
  6. Step 6: Final answer
    x = 117,254.71

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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.