Home / 103,426.65-155,209.23-44,276.81

Finding the Fourth Proportional to 103,426.65, 155,209.23 and 44,276.81

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Solution

The fourth proportional to 103,426.65, 155,209.23 and 44,276.81 is: 66,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,426.65 : 155,209.23 = 44,276.81 : x
  2. Step 2: Convert to fraction form
    103,426.65/155,209.23 = 44,276.81/x
  3. Step 3: Cross multiply
    103,426.65x = 155,209.23 × 44,276.81
  4. Step 4: Simplify right side
    103,426.65x = 6,872,168,810.91
  5. Step 5: Solve for x
    x = 6,872,168,810.91/103,426.65
  6. Step 6: Final answer
    x = 66,444.86

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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.