Home / 127,880.28-176,470.74-70,522.02

Finding the Fourth Proportional to 127,880.28, 176,470.74 and 70,522.02

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Solution

The fourth proportional to 127,880.28, 176,470.74 and 70,522.02 is: 97,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,880.28 : 176,470.74 = 70,522.02 : x
  2. Step 2: Convert to fraction form
    127,880.28/176,470.74 = 70,522.02/x
  3. Step 3: Cross multiply
    127,880.28x = 176,470.74 × 70,522.02
  4. Step 4: Simplify right side
    127,880.28x = 12,445,073,055.69
  5. Step 5: Solve for x
    x = 12,445,073,055.69/127,880.28
  6. Step 6: Final answer
    x = 97,318.16

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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.