Home / 127,921.43-176,530.13-70,563.15

Finding the Fourth Proportional to 127,921.43, 176,530.13 and 70,563.15

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Solution

The fourth proportional to 127,921.43, 176,530.13 and 70,563.15 is: 97,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,921.43 : 176,530.13 = 70,563.15 : x
  2. Step 2: Convert to fraction form
    127,921.43/176,530.13 = 70,563.15/x
  3. Step 3: Cross multiply
    127,921.43x = 176,530.13 × 70,563.15
  4. Step 4: Simplify right side
    127,921.43x = 12,456,521,689.89
  5. Step 5: Solve for x
    x = 12,456,521,689.89/127,921.43
  6. Step 6: Final answer
    x = 97,376.35

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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.