Home / 186,118.34-279,041.40-59,686.61

Finding the Fourth Proportional to 186,118.34, 279,041.40 and 59,686.61

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Solution

The fourth proportional to 186,118.34, 279,041.40 and 59,686.61 is: 89,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,118.34 : 279,041.40 = 59,686.61 : x
  2. Step 2: Convert to fraction form
    186,118.34/279,041.40 = 59,686.61/x
  3. Step 3: Cross multiply
    186,118.34x = 279,041.40 × 59,686.61
  4. Step 4: Simplify right side
    186,118.34x = 16,655,036,006.99
  5. Step 5: Solve for x
    x = 16,655,036,006.99/186,118.34
  6. Step 6: Final answer
    x = 89,486.27

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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.