Home / 369,138.60-553,967.10-158,927.40

Finding the Fourth Proportional to 369,138.60, 553,967.10 and 158,927.40

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Solution

The fourth proportional to 369,138.60, 553,967.10 and 158,927.40 is: 238,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,138.60 : 553,967.10 = 158,927.40 : x
  2. Step 2: Convert to fraction form
    369,138.60/553,967.10 = 158,927.40/x
  3. Step 3: Cross multiply
    369,138.60x = 553,967.10 × 158,927.40
  4. Step 4: Simplify right side
    369,138.60x = 88,040,550,888.54
  5. Step 5: Solve for x
    x = 88,040,550,888.54/369,138.60
  6. Step 6: Final answer
    x = 238,502.69

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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.