Home / 238,962.08-358,389.60-70,446.40

Finding the Fourth Proportional to 238,962.08, 358,389.60 and 70,446.40

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Solution

The fourth proportional to 238,962.08, 358,389.60 and 70,446.40 is: 105,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,962.08 : 358,389.60 = 70,446.40 : x
  2. Step 2: Convert to fraction form
    238,962.08/358,389.60 = 70,446.40/x
  3. Step 3: Cross multiply
    238,962.08x = 358,389.60 × 70,446.40
  4. Step 4: Simplify right side
    238,962.08x = 25,247,257,117.44
  5. Step 5: Solve for x
    x = 25,247,257,117.44/238,962.08
  6. Step 6: Final answer
    x = 105,653.82

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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.