Home / 156,731.07-216,344.06-93,068.41

Finding the Fourth Proportional to 156,731.07, 216,344.06 and 93,068.41

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Solution

The fourth proportional to 156,731.07, 216,344.06 and 93,068.41 is: 128,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,731.07 : 216,344.06 = 93,068.41 : x
  2. Step 2: Convert to fraction form
    156,731.07/216,344.06 = 93,068.41/x
  3. Step 3: Cross multiply
    156,731.07x = 216,344.06 × 93,068.41
  4. Step 4: Simplify right side
    156,731.07x = 20,134,797,677.14
  5. Step 5: Solve for x
    x = 20,134,797,677.14/156,731.07
  6. Step 6: Final answer
    x = 128,467.17

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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.