Home / 191,673.05-264,510.61-105,635.18

Finding the Fourth Proportional to 191,673.05, 264,510.61 and 105,635.18

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Solution

The fourth proportional to 191,673.05, 264,510.61 and 105,635.18 is: 145,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,673.05 : 264,510.61 = 105,635.18 : x
  2. Step 2: Convert to fraction form
    191,673.05/264,510.61 = 105,635.18/x
  3. Step 3: Cross multiply
    191,673.05x = 264,510.61 × 105,635.18
  4. Step 4: Simplify right side
    191,673.05x = 27,941,625,030.81
  5. Step 5: Solve for x
    x = 27,941,625,030.81/191,673.05
  6. Step 6: Final answer
    x = 145,777.54

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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.