Home / 112,255.35-154,938.98-64,536.42

Finding the Fourth Proportional to 112,255.35, 154,938.98 and 64,536.42

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Solution

The fourth proportional to 112,255.35, 154,938.98 and 64,536.42 is: 89,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.35 : 154,938.98 = 64,536.42 : x
  2. Step 2: Convert to fraction form
    112,255.35/154,938.98 = 64,536.42/x
  3. Step 3: Cross multiply
    112,255.35x = 154,938.98 × 64,536.42
  4. Step 4: Simplify right side
    112,255.35x = 9,999,206,764.97
  5. Step 5: Solve for x
    x = 9,999,206,764.97/112,255.35
  6. Step 6: Final answer
    x = 89,075.55

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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.