Home / 127,953-191,929.50-34,458.75

Finding the Fourth Proportional to 127,953, 191,929.50 and 34,458.75

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Solution

The fourth proportional to 127,953, 191,929.50 and 34,458.75 is: 51,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953 : 191,929.50 = 34,458.75 : x
  2. Step 2: Convert to fraction form
    127,953/191,929.50 = 34,458.75/x
  3. Step 3: Cross multiply
    127,953x = 191,929.50 × 34,458.75
  4. Step 4: Simplify right side
    127,953x = 6,613,650,658.13
  5. Step 5: Solve for x
    x = 6,613,650,658.13/127,953
  6. Step 6: Final answer
    x = 51,688.13

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1.5x scale

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.