Home / 112,124.04-154,692.36-71,860.01

Finding the Fourth Proportional to 112,124.04, 154,692.36 and 71,860.01

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Solution

The fourth proportional to 112,124.04, 154,692.36 and 71,860.01 is: 99,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,124.04 : 154,692.36 = 71,860.01 : x
  2. Step 2: Convert to fraction form
    112,124.04/154,692.36 = 71,860.01/x
  3. Step 3: Cross multiply
    112,124.04x = 154,692.36 × 71,860.01
  4. Step 4: Simplify right side
    112,124.04x = 11,116,194,536.52
  5. Step 5: Solve for x
    x = 11,116,194,536.52/112,124.04
  6. Step 6: Final answer
    x = 99,141.94

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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.