Home / 207,787.24-286,746.42-112,293.76

Finding the Fourth Proportional to 207,787.24, 286,746.42 and 112,293.76

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Solution

The fourth proportional to 207,787.24, 286,746.42 and 112,293.76 is: 154,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,787.24 : 286,746.42 = 112,293.76 : x
  2. Step 2: Convert to fraction form
    207,787.24/286,746.42 = 112,293.76/x
  3. Step 3: Cross multiply
    207,787.24x = 286,746.42 × 112,293.76
  4. Step 4: Simplify right side
    207,787.24x = 32,199,833,668.34
  5. Step 5: Solve for x
    x = 32,199,833,668.34/207,787.24
  6. Step 6: Final answer
    x = 154,965.40

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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.