Home / 191,972.54-287,734.57-144,434.88

Finding the Fourth Proportional to 191,972.54, 287,734.57 and 144,434.88

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Solution

The fourth proportional to 191,972.54, 287,734.57 and 144,434.88 is: 216,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,972.54 : 287,734.57 = 144,434.88 : x
  2. Step 2: Convert to fraction form
    191,972.54/287,734.57 = 144,434.88/x
  3. Step 3: Cross multiply
    191,972.54x = 287,734.57 × 144,434.88
  4. Step 4: Simplify right side
    191,972.54x = 41,558,908,739.48
  5. Step 5: Solve for x
    x = 41,558,908,739.48/191,972.54
  6. Step 6: Final answer
    x = 216,483.61

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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.