Home / 113,840.16-157,087.49-66,084.18

Finding the Fourth Proportional to 113,840.16, 157,087.49 and 66,084.18

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Solution

The fourth proportional to 113,840.16, 157,087.49 and 66,084.18 is: 91,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,840.16 : 157,087.49 = 66,084.18 : x
  2. Step 2: Convert to fraction form
    113,840.16/157,087.49 = 66,084.18/x
  3. Step 3: Cross multiply
    113,840.16x = 157,087.49 × 66,084.18
  4. Step 4: Simplify right side
    113,840.16x = 10,380,997,964.91
  5. Step 5: Solve for x
    x = 10,380,997,964.91/113,840.16
  6. Step 6: Final answer
    x = 91,189.24

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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.