Home / 191,278.90-264,015.57-134,715.70

Finding the Fourth Proportional to 191,278.90, 264,015.57 and 134,715.70

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Solution

The fourth proportional to 191,278.90, 264,015.57 and 134,715.70 is: 185,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,278.90 : 264,015.57 = 134,715.70 : x
  2. Step 2: Convert to fraction form
    191,278.90/264,015.57 = 134,715.70/x
  3. Step 3: Cross multiply
    191,278.90x = 264,015.57 × 134,715.70
  4. Step 4: Simplify right side
    191,278.90x = 35,567,042,323.45
  5. Step 5: Solve for x
    x = 35,567,042,323.45/191,278.90
  6. Step 6: Final answer
    x = 185,943.37

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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.