Home / 369,206.10-553,441.14-156,027.78

Finding the Fourth Proportional to 369,206.10, 553,441.14 and 156,027.78

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Solution

The fourth proportional to 369,206.10, 553,441.14 and 156,027.78 is: 233,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,206.10 : 553,441.14 = 156,027.78 : x
  2. Step 2: Convert to fraction form
    369,206.10/553,441.14 = 156,027.78/x
  3. Step 3: Cross multiply
    369,206.10x = 553,441.14 × 156,027.78
  4. Step 4: Simplify right side
    369,206.10x = 86,352,192,434.87
  5. Step 5: Solve for x
    x = 86,352,192,434.87/369,206.10
  6. Step 6: Final answer
    x = 233,886.15

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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.