Home / 191,531.41-264,313.19-105,490.98

Finding the Fourth Proportional to 191,531.41, 264,313.19 and 105,490.98

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Solution

The fourth proportional to 191,531.41, 264,313.19 and 105,490.98 is: 145,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,531.41 : 264,313.19 = 105,490.98 : x
  2. Step 2: Convert to fraction form
    191,531.41/264,313.19 = 105,490.98/x
  3. Step 3: Cross multiply
    191,531.41x = 264,313.19 × 105,490.98
  4. Step 4: Simplify right side
    191,531.41x = 27,882,657,703.75
  5. Step 5: Solve for x
    x = 27,882,657,703.75/191,531.41
  6. Step 6: Final answer
    x = 145,577.47

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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.