Home / 156,821.07-216,365.40-88,827.24

Finding the Fourth Proportional to 156,821.07, 216,365.40 and 88,827.24

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Solution

The fourth proportional to 156,821.07, 216,365.40 and 88,827.24 is: 122,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,821.07 : 216,365.40 = 88,827.24 : x
  2. Step 2: Convert to fraction form
    156,821.07/216,365.40 = 88,827.24/x
  3. Step 3: Cross multiply
    156,821.07x = 216,365.40 × 88,827.24
  4. Step 4: Simplify right side
    156,821.07x = 19,219,141,313.50
  5. Step 5: Solve for x
    x = 19,219,141,313.50/156,821.07
  6. Step 6: Final answer
    x = 122,554.59

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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.