Home / 156,829.58-216,377.12-88,835.74

Finding the Fourth Proportional to 156,829.58, 216,377.12 and 88,835.74

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Solution

The fourth proportional to 156,829.58, 216,377.12 and 88,835.74 is: 122,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829.58 : 216,377.12 = 88,835.74 : x
  2. Step 2: Convert to fraction form
    156,829.58/216,377.12 = 88,835.74/x
  3. Step 3: Cross multiply
    156,829.58x = 216,377.12 × 88,835.74
  4. Step 4: Simplify right side
    156,829.58x = 19,222,021,574.27
  5. Step 5: Solve for x
    x = 19,222,021,574.27/156,829.58
  6. Step 6: Final answer
    x = 122,566.30

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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.