Home / 127,912.93-176,521.21-70,554.74

Finding the Fourth Proportional to 127,912.93, 176,521.21 and 70,554.74

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Solution

The fourth proportional to 127,912.93, 176,521.21 and 70,554.74 is: 97,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,912.93 : 176,521.21 = 70,554.74 : x
  2. Step 2: Convert to fraction form
    127,912.93/176,521.21 = 70,554.74/x
  3. Step 3: Cross multiply
    127,912.93x = 176,521.21 × 70,554.74
  4. Step 4: Simplify right side
    127,912.93x = 12,454,407,017.04
  5. Step 5: Solve for x
    x = 12,454,407,017.04/127,912.93
  6. Step 6: Final answer
    x = 97,366.29

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1.5x scale

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.