Home / 145,547.74-218,321.60-40,366.71

Finding the Fourth Proportional to 145,547.74, 218,321.60 and 40,366.71

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Solution

The fourth proportional to 145,547.74, 218,321.60 and 40,366.71 is: 60,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547.74 : 218,321.60 = 40,366.71 : x
  2. Step 2: Convert to fraction form
    145,547.74/218,321.60 = 40,366.71/x
  3. Step 3: Cross multiply
    145,547.74x = 218,321.60 × 40,366.71
  4. Step 4: Simplify right side
    145,547.74x = 8,812,924,713.94
  5. Step 5: Solve for x
    x = 8,812,924,713.94/145,547.74
  6. Step 6: Final answer
    x = 60,550.06

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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.