Home / 114,197.04-157,553.64-66,440.16

Finding the Fourth Proportional to 114,197.04, 157,553.64 and 66,440.16

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Solution

The fourth proportional to 114,197.04, 157,553.64 and 66,440.16 is: 91,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,197.04 : 157,553.64 = 66,440.16 : x
  2. Step 2: Convert to fraction form
    114,197.04/157,553.64 = 66,440.16/x
  3. Step 3: Cross multiply
    114,197.04x = 157,553.64 × 66,440.16
  4. Step 4: Simplify right side
    114,197.04x = 10,467,889,050.18
  5. Step 5: Solve for x
    x = 10,467,889,050.18/114,197.04
  6. Step 6: Final answer
    x = 91,665.15

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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.