Home / 238,776.91-358,042.10-70,275.35

Finding the Fourth Proportional to 238,776.91, 358,042.10 and 70,275.35

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Solution

The fourth proportional to 238,776.91, 358,042.10 and 70,275.35 is: 105,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,776.91 : 358,042.10 = 70,275.35 : x
  2. Step 2: Convert to fraction form
    238,776.91/358,042.10 = 70,275.35/x
  3. Step 3: Cross multiply
    238,776.91x = 358,042.10 × 70,275.35
  4. Step 4: Simplify right side
    238,776.91x = 25,161,534,435.96
  5. Step 5: Solve for x
    x = 25,161,534,435.96/238,776.91
  6. Step 6: Final answer
    x = 105,376.75

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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.