Home / 226,681.47-310,831.11-220,776.57

Finding the Fourth Proportional to 226,681.47, 310,831.11 and 220,776.57

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Solution

The fourth proportional to 226,681.47, 310,831.11 and 220,776.57 is: 302,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,681.47 : 310,831.11 = 220,776.57 : x
  2. Step 2: Convert to fraction form
    226,681.47/310,831.11 = 220,776.57/x
  3. Step 3: Cross multiply
    226,681.47x = 310,831.11 × 220,776.57
  4. Step 4: Simplify right side
    226,681.47x = 68,624,226,315.09
  5. Step 5: Solve for x
    x = 68,624,226,315.09/226,681.47
  6. Step 6: Final answer
    x = 302,734.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.