Home / 133,831.76-200,715-45,062.16

Finding the Fourth Proportional to 133,831.76, 200,715 and 45,062.16

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Solution

The fourth proportional to 133,831.76, 200,715 and 45,062.16 is: 67,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,831.76 : 200,715 = 45,062.16 : x
  2. Step 2: Convert to fraction form
    133,831.76/200,715 = 45,062.16/x
  3. Step 3: Cross multiply
    133,831.76x = 200,715 × 45,062.16
  4. Step 4: Simplify right side
    133,831.76x = 9,044,651,444.40
  5. Step 5: Solve for x
    x = 9,044,651,444.40/133,831.76
  6. Step 6: Final answer
    x = 67,582.25

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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.