Home / 207,628.32-286,527.06-112,135.02

Finding the Fourth Proportional to 207,628.32, 286,527.06 and 112,135.02

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Solution

The fourth proportional to 207,628.32, 286,527.06 and 112,135.02 is: 154,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,628.32 : 286,527.06 = 112,135.02 : x
  2. Step 2: Convert to fraction form
    207,628.32/286,527.06 = 112,135.02/x
  3. Step 3: Cross multiply
    207,628.32x = 286,527.06 × 112,135.02
  4. Step 4: Simplify right side
    207,628.32x = 32,129,717,603.64
  5. Step 5: Solve for x
    x = 32,129,717,603.64/207,628.32
  6. Step 6: Final answer
    x = 154,746.32

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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.