Home / 137,595.11-189,800.70-86,526.95

Finding the Fourth Proportional to 137,595.11, 189,800.70 and 86,526.95

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Solution

The fourth proportional to 137,595.11, 189,800.70 and 86,526.95 is: 119,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,595.11 : 189,800.70 = 86,526.95 : x
  2. Step 2: Convert to fraction form
    137,595.11/189,800.70 = 86,526.95/x
  3. Step 3: Cross multiply
    137,595.11x = 189,800.70 × 86,526.95
  4. Step 4: Simplify right side
    137,595.11x = 16,422,875,678.87
  5. Step 5: Solve for x
    x = 16,422,875,678.87/137,595.11
  6. Step 6: Final answer
    x = 119,356.54

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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.