Home / 125,612.16-173,369.28-83,172.48

Finding the Fourth Proportional to 125,612.16, 173,369.28 and 83,172.48

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Solution

The fourth proportional to 125,612.16, 173,369.28 and 83,172.48 is: 114,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,612.16 : 173,369.28 = 83,172.48 : x
  2. Step 2: Convert to fraction form
    125,612.16/173,369.28 = 83,172.48/x
  3. Step 3: Cross multiply
    125,612.16x = 173,369.28 × 83,172.48
  4. Step 4: Simplify right side
    125,612.16x = 14,419,552,973.41
  5. Step 5: Solve for x
    x = 14,419,552,973.41/125,612.16
  6. Step 6: Final answer
    x = 114,794.24

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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.