Home / 369,815.79-554,723.69-89,333.04

Finding the Fourth Proportional to 369,815.79, 554,723.69 and 89,333.04

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Solution

The fourth proportional to 369,815.79, 554,723.69 and 89,333.04 is: 133,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,815.79 : 554,723.69 = 89,333.04 : x
  2. Step 2: Convert to fraction form
    369,815.79/554,723.69 = 89,333.04/x
  3. Step 3: Cross multiply
    369,815.79x = 554,723.69 × 89,333.04
  4. Step 4: Simplify right side
    369,815.79x = 49,555,153,587.72
  5. Step 5: Solve for x
    x = 49,555,153,587.72/369,815.79
  6. Step 6: Final answer
    x = 133,999.56

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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.