Home / 105,027.12-157,482.36-34,868.16

Finding the Fourth Proportional to 105,027.12, 157,482.36 and 34,868.16

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Solution

The fourth proportional to 105,027.12, 157,482.36 and 34,868.16 is: 52,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.12 : 157,482.36 = 34,868.16 : x
  2. Step 2: Convert to fraction form
    105,027.12/157,482.36 = 34,868.16/x
  3. Step 3: Cross multiply
    105,027.12x = 157,482.36 × 34,868.16
  4. Step 4: Simplify right side
    105,027.12x = 5,491,120,125.66
  5. Step 5: Solve for x
    x = 5,491,120,125.66/105,027.12
  6. Step 6: Final answer
    x = 52,282.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.