Home / 156,677.04-216,214.32-85,056.96

Finding the Fourth Proportional to 156,677.04, 216,214.32 and 85,056.96

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Solution

The fourth proportional to 156,677.04, 216,214.32 and 85,056.96 is: 117,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,677.04 : 216,214.32 = 85,056.96 : x
  2. Step 2: Convert to fraction form
    156,677.04/216,214.32 = 85,056.96/x
  3. Step 3: Cross multiply
    156,677.04x = 216,214.32 × 85,056.96
  4. Step 4: Simplify right side
    156,677.04x = 18,390,532,767.67
  5. Step 5: Solve for x
    x = 18,390,532,767.67/156,677.04
  6. Step 6: Final answer
    x = 117,378.61

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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.