Home / 191,485.06-287,227.14-51,243.68

Finding the Fourth Proportional to 191,485.06, 287,227.14 and 51,243.68

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Solution

The fourth proportional to 191,485.06, 287,227.14 and 51,243.68 is: 76,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,485.06 : 287,227.14 = 51,243.68 : x
  2. Step 2: Convert to fraction form
    191,485.06/287,227.14 = 51,243.68/x
  3. Step 3: Cross multiply
    191,485.06x = 287,227.14 × 51,243.68
  4. Step 4: Simplify right side
    191,485.06x = 14,718,575,649.48
  5. Step 5: Solve for x
    x = 14,718,575,649.48/191,485.06
  6. Step 6: Final answer
    x = 76,865.40

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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.