Home / 156,621.65-216,056.23-96,205.91

Finding the Fourth Proportional to 156,621.65, 216,056.23 and 96,205.91

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Solution

The fourth proportional to 156,621.65, 216,056.23 and 96,205.91 is: 132,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,621.65 : 216,056.23 = 96,205.91 : x
  2. Step 2: Convert to fraction form
    156,621.65/216,056.23 = 96,205.91/x
  3. Step 3: Cross multiply
    156,621.65x = 216,056.23 × 96,205.91
  4. Step 4: Simplify right side
    156,621.65x = 20,785,884,897.52
  5. Step 5: Solve for x
    x = 20,785,884,897.52/156,621.65
  6. Step 6: Final answer
    x = 132,714.00

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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.