Home / 186,014.48-278,800.18-129,548.77

Finding the Fourth Proportional to 186,014.48, 278,800.18 and 129,548.77

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Solution

The fourth proportional to 186,014.48, 278,800.18 and 129,548.77 is: 194,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,014.48 : 278,800.18 = 129,548.77 : x
  2. Step 2: Convert to fraction form
    186,014.48/278,800.18 = 129,548.77/x
  3. Step 3: Cross multiply
    186,014.48x = 278,800.18 × 129,548.77
  4. Step 4: Simplify right side
    186,014.48x = 36,118,219,373.91
  5. Step 5: Solve for x
    x = 36,118,219,373.91/186,014.48
  6. Step 6: Final answer
    x = 194,168.86

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1.5x scale

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.