Home / 145,678.08-218,544.68-56,925.97

Finding the Fourth Proportional to 145,678.08, 218,544.68 and 56,925.97

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Solution

The fourth proportional to 145,678.08, 218,544.68 and 56,925.97 is: 85,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,678.08 : 218,544.68 = 56,925.97 : x
  2. Step 2: Convert to fraction form
    145,678.08/218,544.68 = 56,925.97/x
  3. Step 3: Cross multiply
    145,678.08x = 218,544.68 × 56,925.97
  4. Step 4: Simplify right side
    145,678.08x = 12,440,867,612.71
  5. Step 5: Solve for x
    x = 12,440,867,612.71/145,678.08
  6. Step 6: Final answer
    x = 85,399.73

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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.