Home / 207,973.39-287,003.28-112,480.06

Finding the Fourth Proportional to 207,973.39, 287,003.28 and 112,480.06

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Solution

The fourth proportional to 207,973.39, 287,003.28 and 112,480.06 is: 155,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,973.39 : 287,003.28 = 112,480.06 : x
  2. Step 2: Convert to fraction form
    207,973.39/287,003.28 = 112,480.06/x
  3. Step 3: Cross multiply
    207,973.39x = 287,003.28 × 112,480.06
  4. Step 4: Simplify right side
    207,973.39x = 32,282,146,154.60
  5. Step 5: Solve for x
    x = 32,282,146,154.60/207,973.39
  6. Step 6: Final answer
    x = 155,222.48

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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.