Home / 112,207.17-154,859.58-64,460.40

Finding the Fourth Proportional to 112,207.17, 154,859.58 and 64,460.40

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Solution

The fourth proportional to 112,207.17, 154,859.58 and 64,460.40 is: 88,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.17 : 154,859.58 = 64,460.40 : x
  2. Step 2: Convert to fraction form
    112,207.17/154,859.58 = 64,460.40/x
  3. Step 3: Cross multiply
    112,207.17x = 154,859.58 × 64,460.40
  4. Step 4: Simplify right side
    112,207.17x = 9,982,310,470.63
  5. Step 5: Solve for x
    x = 9,982,310,470.63/112,207.17
  6. Step 6: Final answer
    x = 88,963.21

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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.