Home / 217,829.40-326,306.70-124,225.80

Finding the Fourth Proportional to 217,829.40, 326,306.70 and 124,225.80

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Solution

The fourth proportional to 217,829.40, 326,306.70 and 124,225.80 is: 186,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,829.40 : 326,306.70 = 124,225.80 : x
  2. Step 2: Convert to fraction form
    217,829.40/326,306.70 = 124,225.80/x
  3. Step 3: Cross multiply
    217,829.40x = 326,306.70 × 124,225.80
  4. Step 4: Simplify right side
    217,829.40x = 40,535,710,852.86
  5. Step 5: Solve for x
    x = 40,535,710,852.86/217,829.40
  6. Step 6: Final answer
    x = 186,089.26

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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.