Home / 114,031.57-157,388.55-66,312.45

Finding the Fourth Proportional to 114,031.57, 157,388.55 and 66,312.45

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Solution

The fourth proportional to 114,031.57, 157,388.55 and 66,312.45 is: 91,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,031.57 : 157,388.55 = 66,312.45 : x
  2. Step 2: Convert to fraction form
    114,031.57/157,388.55 = 66,312.45/x
  3. Step 3: Cross multiply
    114,031.57x = 157,388.55 × 66,312.45
  4. Step 4: Simplify right side
    114,031.57x = 10,436,820,352.45
  5. Step 5: Solve for x
    x = 10,436,820,352.45/114,031.57
  6. Step 6: Final answer
    x = 91,525.71

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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.