Home / 189,926.96-261,925.80-163,060.88

Finding the Fourth Proportional to 189,926.96, 261,925.80 and 163,060.88

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Solution

The fourth proportional to 189,926.96, 261,925.80 and 163,060.88 is: 224,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,926.96 : 261,925.80 = 163,060.88 : x
  2. Step 2: Convert to fraction form
    189,926.96/261,925.80 = 163,060.88/x
  3. Step 3: Cross multiply
    189,926.96x = 261,925.80 × 163,060.88
  4. Step 4: Simplify right side
    189,926.96x = 42,709,851,442.70
  5. Step 5: Solve for x
    x = 42,709,851,442.70/189,926.96
  6. Step 6: Final answer
    x = 224,875.14

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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.