Home / 191,770.12-264,643.14-106,885.48

Finding the Fourth Proportional to 191,770.12, 264,643.14 and 106,885.48

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Solution

The fourth proportional to 191,770.12, 264,643.14 and 106,885.48 is: 147,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,770.12 : 264,643.14 = 106,885.48 : x
  2. Step 2: Convert to fraction form
    191,770.12/264,643.14 = 106,885.48/x
  3. Step 3: Cross multiply
    191,770.12x = 264,643.14 × 106,885.48
  4. Step 4: Simplify right side
    191,770.12x = 28,286,509,047.61
  5. Step 5: Solve for x
    x = 28,286,509,047.61/191,770.12
  6. Step 6: Final answer
    x = 147,502.17

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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.