Home / 207,973.66-287,003.82-112,480.24

Finding the Fourth Proportional to 207,973.66, 287,003.82 and 112,480.24

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Solution

The fourth proportional to 207,973.66, 287,003.82 and 112,480.24 is: 155,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,973.66 : 287,003.82 = 112,480.24 : x
  2. Step 2: Convert to fraction form
    207,973.66/287,003.82 = 112,480.24/x
  3. Step 3: Cross multiply
    207,973.66x = 287,003.82 × 112,480.24
  4. Step 4: Simplify right side
    207,973.66x = 32,282,258,554.52
  5. Step 5: Solve for x
    x = 32,282,258,554.52/207,973.66
  6. Step 6: Final answer
    x = 155,222.82

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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.