Home / 156,933.21-216,585.99-93,270.45

Finding the Fourth Proportional to 156,933.21, 216,585.99 and 93,270.45

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Solution

The fourth proportional to 156,933.21, 216,585.99 and 93,270.45 is: 128,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.21 : 216,585.99 = 93,270.45 : x
  2. Step 2: Convert to fraction form
    156,933.21/216,585.99 = 93,270.45/x
  3. Step 3: Cross multiply
    156,933.21x = 216,585.99 × 93,270.45
  4. Step 4: Simplify right side
    156,933.21x = 20,201,072,751.00
  5. Step 5: Solve for x
    x = 20,201,072,751.00/156,933.21
  6. Step 6: Final answer
    x = 128,724.01

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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.