Home / 207,899.83-286,901.52-112,406.30

Finding the Fourth Proportional to 207,899.83, 286,901.52 and 112,406.30

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Solution

The fourth proportional to 207,899.83, 286,901.52 and 112,406.30 is: 155,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,899.83 : 286,901.52 = 112,406.30 : x
  2. Step 2: Convert to fraction form
    207,899.83/286,901.52 = 112,406.30/x
  3. Step 3: Cross multiply
    207,899.83x = 286,901.52 × 112,406.30
  4. Step 4: Simplify right side
    207,899.83x = 32,249,538,327.58
  5. Step 5: Solve for x
    x = 32,249,538,327.58/207,899.83
  6. Step 6: Final answer
    x = 155,120.56

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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.