Home / 369,206.36-553,809.48-88,723.61

Finding the Fourth Proportional to 369,206.36, 553,809.48 and 88,723.61

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Solution

The fourth proportional to 369,206.36, 553,809.48 and 88,723.61 is: 133,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,206.36 : 553,809.48 = 88,723.61 : x
  2. Step 2: Convert to fraction form
    369,206.36/553,809.48 = 88,723.61/x
  3. Step 3: Cross multiply
    369,206.36x = 553,809.48 × 88,723.61
  4. Step 4: Simplify right side
    369,206.36x = 49,135,977,702.35
  5. Step 5: Solve for x
    x = 49,135,977,702.35/369,206.36
  6. Step 6: Final answer
    x = 133,085.40

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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.