Home / 105,967.20-158,950.80-46,772.40

Finding the Fourth Proportional to 105,967.20, 158,950.80 and 46,772.40

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Solution

The fourth proportional to 105,967.20, 158,950.80 and 46,772.40 is: 70,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,967.20 : 158,950.80 = 46,772.40 : x
  2. Step 2: Convert to fraction form
    105,967.20/158,950.80 = 46,772.40/x
  3. Step 3: Cross multiply
    105,967.20x = 158,950.80 × 46,772.40
  4. Step 4: Simplify right side
    105,967.20x = 7,434,510,397.92
  5. Step 5: Solve for x
    x = 7,434,510,397.92/105,967.20
  6. Step 6: Final answer
    x = 70,158.60

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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.