Home / 114,168.15-157,552.59-66,423.21

Finding the Fourth Proportional to 114,168.15, 157,552.59 and 66,423.21

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Solution

The fourth proportional to 114,168.15, 157,552.59 and 66,423.21 is: 91,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,168.15 : 157,552.59 = 66,423.21 : x
  2. Step 2: Convert to fraction form
    114,168.15/157,552.59 = 66,423.21/x
  3. Step 3: Cross multiply
    114,168.15x = 157,552.59 × 66,423.21
  4. Step 4: Simplify right side
    114,168.15x = 10,465,148,429.88
  5. Step 5: Solve for x
    x = 10,465,148,429.88/114,168.15
  6. Step 6: Final answer
    x = 91,664.34

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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.