Home / 156,943.90-235,329.45-51,708.70

Finding the Fourth Proportional to 156,943.90, 235,329.45 and 51,708.70

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Solution

The fourth proportional to 156,943.90, 235,329.45 and 51,708.70 is: 77,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.90 : 235,329.45 = 51,708.70 : x
  2. Step 2: Convert to fraction form
    156,943.90/235,329.45 = 51,708.70/x
  3. Step 3: Cross multiply
    156,943.90x = 235,329.45 × 51,708.70
  4. Step 4: Simplify right side
    156,943.90x = 12,168,579,931.22
  5. Step 5: Solve for x
    x = 12,168,579,931.22/156,943.90
  6. Step 6: Final answer
    x = 77,534.58

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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.