Home / 105,946.30-158,773.65-70,306.30

Finding the Fourth Proportional to 105,946.30, 158,773.65 and 70,306.30

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Solution

The fourth proportional to 105,946.30, 158,773.65 and 70,306.30 is: 105,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,946.30 : 158,773.65 = 70,306.30 : x
  2. Step 2: Convert to fraction form
    105,946.30/158,773.65 = 70,306.30/x
  3. Step 3: Cross multiply
    105,946.30x = 158,773.65 × 70,306.30
  4. Step 4: Simplify right side
    105,946.30x = 11,162,787,869.00
  5. Step 5: Solve for x
    x = 11,162,787,869.00/105,946.30
  6. Step 6: Final answer
    x = 105,362.70

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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.