Home / 156,106.81-234,117.68-43,780.06

Finding the Fourth Proportional to 156,106.81, 234,117.68 and 43,780.06

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Solution

The fourth proportional to 156,106.81, 234,117.68 and 43,780.06 is: 65,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,106.81 : 234,117.68 = 43,780.06 : x
  2. Step 2: Convert to fraction form
    156,106.81/234,117.68 = 43,780.06/x
  3. Step 3: Cross multiply
    156,106.81x = 234,117.68 × 43,780.06
  4. Step 4: Simplify right side
    156,106.81x = 10,249,685,273.27
  5. Step 5: Solve for x
    x = 10,249,685,273.27/156,106.81
  6. Step 6: Final answer
    x = 65,658.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.