Home / 112,294.08-154,895.04-71,966.16

Finding the Fourth Proportional to 112,294.08, 154,895.04 and 71,966.16

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Solution

The fourth proportional to 112,294.08, 154,895.04 and 71,966.16 is: 99,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,294.08 : 154,895.04 = 71,966.16 : x
  2. Step 2: Convert to fraction form
    112,294.08/154,895.04 = 71,966.16/x
  3. Step 3: Cross multiply
    112,294.08x = 154,895.04 × 71,966.16
  4. Step 4: Simplify right side
    112,294.08x = 11,147,201,231.85
  5. Step 5: Solve for x
    x = 11,147,201,231.85/112,294.08
  6. Step 6: Final answer
    x = 99,267.93

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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.