Home / 157,000.12-216,583.96-93,292.80

Finding the Fourth Proportional to 157,000.12, 216,583.96 and 93,292.80

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Solution

The fourth proportional to 157,000.12, 216,583.96 and 93,292.80 is: 128,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,000.12 : 216,583.96 = 93,292.80 : x
  2. Step 2: Convert to fraction form
    157,000.12/216,583.96 = 93,292.80/x
  3. Step 3: Cross multiply
    157,000.12x = 216,583.96 × 93,292.80
  4. Step 4: Simplify right side
    157,000.12x = 20,205,724,063.49
  5. Step 5: Solve for x
    x = 20,205,724,063.49/157,000.12
  6. Step 6: Final answer
    x = 128,698.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.