Home / 156,821.16-216,365.54-88,827.33

Finding the Fourth Proportional to 156,821.16, 216,365.54 and 88,827.33

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Solution

The fourth proportional to 156,821.16, 216,365.54 and 88,827.33 is: 122,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,821.16 : 216,365.54 = 88,827.33 : x
  2. Step 2: Convert to fraction form
    156,821.16/216,365.54 = 88,827.33/x
  3. Step 3: Cross multiply
    156,821.16x = 216,365.54 × 88,827.33
  4. Step 4: Simplify right side
    156,821.16x = 19,219,172,778.07
  5. Step 5: Solve for x
    x = 19,219,172,778.07/156,821.16
  6. Step 6: Final answer
    x = 122,554.72

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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.