Home / 191,279.09-286,934.70-58,160.50

Finding the Fourth Proportional to 191,279.09, 286,934.70 and 58,160.50

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Solution

The fourth proportional to 191,279.09, 286,934.70 and 58,160.50 is: 87,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,279.09 : 286,934.70 = 58,160.50 : x
  2. Step 2: Convert to fraction form
    191,279.09/286,934.70 = 58,160.50/x
  3. Step 3: Cross multiply
    191,279.09x = 286,934.70 × 58,160.50
  4. Step 4: Simplify right side
    191,279.09x = 16,688,264,629.39
  5. Step 5: Solve for x
    x = 16,688,264,629.39/191,279.09
  6. Step 6: Final answer
    x = 87,245.63

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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.