Home / 156,827.04-216,420.96-85,207.34

Finding the Fourth Proportional to 156,827.04, 216,420.96 and 85,207.34

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Solution

The fourth proportional to 156,827.04, 216,420.96 and 85,207.34 is: 117,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,827.04 : 216,420.96 = 85,207.34 : x
  2. Step 2: Convert to fraction form
    156,827.04/216,420.96 = 85,207.34/x
  3. Step 3: Cross multiply
    156,827.04x = 216,420.96 × 85,207.34
  4. Step 4: Simplify right side
    156,827.04x = 18,440,655,182.43
  5. Step 5: Solve for x
    x = 18,440,655,182.43/156,827.04
  6. Step 6: Final answer
    x = 117,585.94

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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.