Home / 191,062.49-286,156.68-91,292.81

Finding the Fourth Proportional to 191,062.49, 286,156.68 and 91,292.81

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Solution

The fourth proportional to 191,062.49, 286,156.68 and 91,292.81 is: 136,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,062.49 : 286,156.68 = 91,292.81 : x
  2. Step 2: Convert to fraction form
    191,062.49/286,156.68 = 91,292.81/x
  3. Step 3: Cross multiply
    191,062.49x = 286,156.68 × 91,292.81
  4. Step 4: Simplify right side
    191,062.49x = 26,124,045,986.69
  5. Step 5: Solve for x
    x = 26,124,045,986.69/191,062.49
  6. Step 6: Final answer
    x = 136,730.38

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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.