Home / 127,831.46-176,408.66-70,473.02

Finding the Fourth Proportional to 127,831.46, 176,408.66 and 70,473.02

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Solution

The fourth proportional to 127,831.46, 176,408.66 and 70,473.02 is: 97,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.46 : 176,408.66 = 70,473.02 : x
  2. Step 2: Convert to fraction form
    127,831.46/176,408.66 = 70,473.02/x
  3. Step 3: Cross multiply
    127,831.46x = 176,408.66 × 70,473.02
  4. Step 4: Simplify right side
    127,831.46x = 12,432,051,113.01
  5. Step 5: Solve for x
    x = 12,432,051,113.01/127,831.46
  6. Step 6: Final answer
    x = 97,253.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.