Home / 243,631.77-365,487.06-75,112.68

Finding the Fourth Proportional to 243,631.77, 365,487.06 and 75,112.68

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Solution

The fourth proportional to 243,631.77, 365,487.06 and 75,112.68 is: 112,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,631.77 : 365,487.06 = 75,112.68 : x
  2. Step 2: Convert to fraction form
    243,631.77/365,487.06 = 75,112.68/x
  3. Step 3: Cross multiply
    243,631.77x = 365,487.06 × 75,112.68
  4. Step 4: Simplify right side
    243,631.77x = 27,452,712,581.92
  5. Step 5: Solve for x
    x = 27,452,712,581.92/243,631.77
  6. Step 6: Final answer
    x = 112,681.17

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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.