Home / 105,293.16-158,001.96-38,780.04

Finding the Fourth Proportional to 105,293.16, 158,001.96 and 38,780.04

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Solution

The fourth proportional to 105,293.16, 158,001.96 and 38,780.04 is: 58,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,293.16 : 158,001.96 = 38,780.04 : x
  2. Step 2: Convert to fraction form
    105,293.16/158,001.96 = 38,780.04/x
  3. Step 3: Cross multiply
    105,293.16x = 158,001.96 × 38,780.04
  4. Step 4: Simplify right side
    105,293.16x = 6,127,322,328.88
  5. Step 5: Solve for x
    x = 6,127,322,328.88/105,293.16
  6. Step 6: Final answer
    x = 58,192.98

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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.