Home / 156,864.45-216,504.36-93,189.95

Finding the Fourth Proportional to 156,864.45, 216,504.36 and 93,189.95

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Solution

The fourth proportional to 156,864.45, 216,504.36 and 93,189.95 is: 128,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,864.45 : 216,504.36 = 93,189.95 : x
  2. Step 2: Convert to fraction form
    156,864.45/216,504.36 = 93,189.95/x
  3. Step 3: Cross multiply
    156,864.45x = 216,504.36 × 93,189.95
  4. Step 4: Simplify right side
    156,864.45x = 20,176,030,483.18
  5. Step 5: Solve for x
    x = 20,176,030,483.18/156,864.45
  6. Step 6: Final answer
    x = 128,620.80

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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.