Home / 114,264.09-157,646.25-66,507.30

Finding the Fourth Proportional to 114,264.09, 157,646.25 and 66,507.30

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Solution

The fourth proportional to 114,264.09, 157,646.25 and 66,507.30 is: 91,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,264.09 : 157,646.25 = 66,507.30 : x
  2. Step 2: Convert to fraction form
    114,264.09/157,646.25 = 66,507.30/x
  3. Step 3: Cross multiply
    114,264.09x = 157,646.25 × 66,507.30
  4. Step 4: Simplify right side
    114,264.09x = 10,484,626,442.63
  5. Step 5: Solve for x
    x = 10,484,626,442.63/114,264.09
  6. Step 6: Final answer
    x = 91,757.84

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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.