Home / 156,913.21-216,533.10-88,926.22

Finding the Fourth Proportional to 156,913.21, 216,533.10 and 88,926.22

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Solution

The fourth proportional to 156,913.21, 216,533.10 and 88,926.22 is: 122,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.21 : 216,533.10 = 88,926.22 : x
  2. Step 2: Convert to fraction form
    156,913.21/216,533.10 = 88,926.22/x
  3. Step 3: Cross multiply
    156,913.21x = 216,533.10 × 88,926.22
  4. Step 4: Simplify right side
    156,913.21x = 19,255,470,087.88
  5. Step 5: Solve for x
    x = 19,255,470,087.88/156,913.21
  6. Step 6: Final answer
    x = 122,714.14

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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.