Home / 156,866.18-216,480.55-92,323.76

Finding the Fourth Proportional to 156,866.18, 216,480.55 and 92,323.76

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Solution

The fourth proportional to 156,866.18, 216,480.55 and 92,323.76 is: 127,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,866.18 : 216,480.55 = 92,323.76 : x
  2. Step 2: Convert to fraction form
    156,866.18/216,480.55 = 92,323.76/x
  3. Step 3: Cross multiply
    156,866.18x = 216,480.55 × 92,323.76
  4. Step 4: Simplify right side
    156,866.18x = 19,986,298,342.87
  5. Step 5: Solve for x
    x = 19,986,298,342.87/156,866.18
  6. Step 6: Final answer
    x = 127,409.86

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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.