Home / 236,948.50-355,478.91-70,740.82

Finding the Fourth Proportional to 236,948.50, 355,478.91 and 70,740.82

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Solution

The fourth proportional to 236,948.50, 355,478.91 and 70,740.82 is: 106,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,948.50 : 355,478.91 = 70,740.82 : x
  2. Step 2: Convert to fraction form
    236,948.50/355,478.91 = 70,740.82/x
  3. Step 3: Cross multiply
    236,948.50x = 355,478.91 × 70,740.82
  4. Step 4: Simplify right side
    236,948.50x = 25,146,869,586.11
  5. Step 5: Solve for x
    x = 25,146,869,586.11/236,948.50
  6. Step 6: Final answer
    x = 106,128.00

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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.