Home / 191,122.90-263,733.91-112,528.37

Finding the Fourth Proportional to 191,122.90, 263,733.91 and 112,528.37

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Solution

The fourth proportional to 191,122.90, 263,733.91 and 112,528.37 is: 155,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122.90 : 263,733.91 = 112,528.37 : x
  2. Step 2: Convert to fraction form
    191,122.90/263,733.91 = 112,528.37/x
  3. Step 3: Cross multiply
    191,122.90x = 263,733.91 × 112,528.37
  4. Step 4: Simplify right side
    191,122.90x = 29,677,545,124.72
  5. Step 5: Solve for x
    x = 29,677,545,124.72/191,122.90
  6. Step 6: Final answer
    x = 155,279.91

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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.