Home / 112,298.90-154,965.84-61,301.48

Finding the Fourth Proportional to 112,298.90, 154,965.84 and 61,301.48

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Solution

The fourth proportional to 112,298.90, 154,965.84 and 61,301.48 is: 84,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,298.90 : 154,965.84 = 61,301.48 : x
  2. Step 2: Convert to fraction form
    112,298.90/154,965.84 = 61,301.48/x
  3. Step 3: Cross multiply
    112,298.90x = 154,965.84 × 61,301.48
  4. Step 4: Simplify right side
    112,298.90x = 9,499,635,341.44
  5. Step 5: Solve for x
    x = 9,499,635,341.44/112,298.90
  6. Step 6: Final answer
    x = 84,592.42

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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.