Home / 193,030.10-289,549.35-135,870.42

Finding the Fourth Proportional to 193,030.10, 289,549.35 and 135,870.42

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Solution

The fourth proportional to 193,030.10, 289,549.35 and 135,870.42 is: 203,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,030.10 : 289,549.35 = 135,870.42 : x
  2. Step 2: Convert to fraction form
    193,030.10/289,549.35 = 135,870.42/x
  3. Step 3: Cross multiply
    193,030.10x = 289,549.35 × 135,870.42
  4. Step 4: Simplify right side
    193,030.10x = 39,341,192,881.04
  5. Step 5: Solve for x
    x = 39,341,192,881.04/193,030.10
  6. Step 6: Final answer
    x = 203,808.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.