Home / 112,207.90-154,860.62-64,461.16

Finding the Fourth Proportional to 112,207.90, 154,860.62 and 64,461.16

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Solution

The fourth proportional to 112,207.90, 154,860.62 and 64,461.16 is: 88,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.90 : 154,860.62 = 64,461.16 : x
  2. Step 2: Convert to fraction form
    112,207.90/154,860.62 = 64,461.16/x
  3. Step 3: Cross multiply
    112,207.90x = 154,860.62 × 64,461.16
  4. Step 4: Simplify right side
    112,207.90x = 9,982,495,203.52
  5. Step 5: Solve for x
    x = 9,982,495,203.52/112,207.90
  6. Step 6: Final answer
    x = 88,964.28

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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.