Home / 156,673.46-216,214.18-88,689.06

Finding the Fourth Proportional to 156,673.46, 216,214.18 and 88,689.06

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Solution

The fourth proportional to 156,673.46, 216,214.18 and 88,689.06 is: 122,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,673.46 : 216,214.18 = 88,689.06 : x
  2. Step 2: Convert to fraction form
    156,673.46/216,214.18 = 88,689.06/x
  3. Step 3: Cross multiply
    156,673.46x = 216,214.18 × 88,689.06
  4. Step 4: Simplify right side
    156,673.46x = 19,175,832,161.15
  5. Step 5: Solve for x
    x = 19,175,832,161.15/156,673.46
  6. Step 6: Final answer
    x = 122,393.62

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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.