Home / 191,541.81-264,328.20-105,498.75

Finding the Fourth Proportional to 191,541.81, 264,328.20 and 105,498.75

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Solution

The fourth proportional to 191,541.81, 264,328.20 and 105,498.75 is: 145,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,541.81 : 264,328.20 = 105,498.75 : x
  2. Step 2: Convert to fraction form
    191,541.81/264,328.20 = 105,498.75/x
  3. Step 3: Cross multiply
    191,541.81x = 264,328.20 × 105,498.75
  4. Step 4: Simplify right side
    191,541.81x = 27,886,294,689.75
  5. Step 5: Solve for x
    x = 27,886,294,689.75/191,541.81
  6. Step 6: Final answer
    x = 145,588.55

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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.