Home / 191,838.18-264,726.95-105,812.13

Finding the Fourth Proportional to 191,838.18, 264,726.95 and 105,812.13

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Solution

The fourth proportional to 191,838.18, 264,726.95 and 105,812.13 is: 146,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,838.18 : 264,726.95 = 105,812.13 : x
  2. Step 2: Convert to fraction form
    191,838.18/264,726.95 = 105,812.13/x
  3. Step 3: Cross multiply
    191,838.18x = 264,726.95 × 105,812.13
  4. Step 4: Simplify right side
    191,838.18x = 28,011,321,918.84
  5. Step 5: Solve for x
    x = 28,011,321,918.84/191,838.18
  6. Step 6: Final answer
    x = 146,015.37

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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.