Home / 160,915.37-222,065.63-89,300.03

Finding the Fourth Proportional to 160,915.37, 222,065.63 and 89,300.03

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Solution

The fourth proportional to 160,915.37, 222,065.63 and 89,300.03 is: 123,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,915.37 : 222,065.63 = 89,300.03 : x
  2. Step 2: Convert to fraction form
    160,915.37/222,065.63 = 89,300.03/x
  3. Step 3: Cross multiply
    160,915.37x = 222,065.63 × 89,300.03
  4. Step 4: Simplify right side
    160,915.37x = 19,830,465,864.14
  5. Step 5: Solve for x
    x = 19,830,465,864.14/160,915.37
  6. Step 6: Final answer
    x = 123,235.38

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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.