Home / 372,140.84-558,127.17-105,895.46

Finding the Fourth Proportional to 372,140.84, 558,127.17 and 105,895.46

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Solution

The fourth proportional to 372,140.84, 558,127.17 and 105,895.46 is: 158,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,140.84 : 558,127.17 = 105,895.46 : x
  2. Step 2: Convert to fraction form
    372,140.84/558,127.17 = 105,895.46/x
  3. Step 3: Cross multiply
    372,140.84x = 558,127.17 × 105,895.46
  4. Step 4: Simplify right side
    372,140.84x = 59,103,133,405.65
  5. Step 5: Solve for x
    x = 59,103,133,405.65/372,140.84
  6. Step 6: Final answer
    x = 158,819.26

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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.