Home / 142,583.19-213,831.59-59,457.75

Finding the Fourth Proportional to 142,583.19, 213,831.59 and 59,457.75

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Solution

The fourth proportional to 142,583.19, 213,831.59 and 59,457.75 is: 89,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,583.19 : 213,831.59 = 59,457.75 : x
  2. Step 2: Convert to fraction form
    142,583.19/213,831.59 = 59,457.75/x
  3. Step 3: Cross multiply
    142,583.19x = 213,831.59 × 59,457.75
  4. Step 4: Simplify right side
    142,583.19x = 12,713,944,923.03
  5. Step 5: Solve for x
    x = 12,713,944,923.03/142,583.19
  6. Step 6: Final answer
    x = 89,168.61

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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.