Home / 145,366.65-218,066.78-38,752.02

Finding the Fourth Proportional to 145,366.65, 218,066.78 and 38,752.02

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Solution

The fourth proportional to 145,366.65, 218,066.78 and 38,752.02 is: 58,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,366.65 : 218,066.78 = 38,752.02 : x
  2. Step 2: Convert to fraction form
    145,366.65/218,066.78 = 38,752.02/x
  3. Step 3: Cross multiply
    145,366.65x = 218,066.78 × 38,752.02
  4. Step 4: Simplify right side
    145,366.65x = 8,450,528,316.78
  5. Step 5: Solve for x
    x = 8,450,528,316.78/145,366.65
  6. Step 6: Final answer
    x = 58,132.51

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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.