Home / 152,438.40-228,220.20-93,389.40

Finding the Fourth Proportional to 152,438.40, 228,220.20 and 93,389.40

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Solution

The fourth proportional to 152,438.40, 228,220.20 and 93,389.40 is: 139,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,438.40 : 228,220.20 = 93,389.40 : x
  2. Step 2: Convert to fraction form
    152,438.40/228,220.20 = 93,389.40/x
  3. Step 3: Cross multiply
    152,438.40x = 228,220.20 × 93,389.40
  4. Step 4: Simplify right side
    152,438.40x = 21,313,347,545.88
  5. Step 5: Solve for x
    x = 21,313,347,545.88/152,438.40
  6. Step 6: Final answer
    x = 139,816.13

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1.5x scale

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.