Home / 191,914.40-264,836-107,045.84

Finding the Fourth Proportional to 191,914.40, 264,836 and 107,045.84

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Solution

The fourth proportional to 191,914.40, 264,836 and 107,045.84 is: 147,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,914.40 : 264,836 = 107,045.84 : x
  2. Step 2: Convert to fraction form
    191,914.40/264,836 = 107,045.84/x
  3. Step 3: Cross multiply
    191,914.40x = 264,836 × 107,045.84
  4. Step 4: Simplify right side
    191,914.40x = 28,349,592,082.24
  5. Step 5: Solve for x
    x = 28,349,592,082.24/191,914.40
  6. Step 6: Final answer
    x = 147,719.98

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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.