Home / 117,573.03-162,140.27-90,672.93

Finding the Fourth Proportional to 117,573.03, 162,140.27 and 90,672.93

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Solution

The fourth proportional to 117,573.03, 162,140.27 and 90,672.93 is: 125,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,573.03 : 162,140.27 = 90,672.93 : x
  2. Step 2: Convert to fraction form
    117,573.03/162,140.27 = 90,672.93/x
  3. Step 3: Cross multiply
    117,573.03x = 162,140.27 × 90,672.93
  4. Step 4: Simplify right side
    117,573.03x = 14,701,732,898.53
  5. Step 5: Solve for x
    x = 14,701,732,898.53/117,573.03
  6. Step 6: Final answer
    x = 125,043.41

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1.5x scale

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.