Home / 147,897.20-221,716.20-88,756.40

Finding the Fourth Proportional to 147,897.20, 221,716.20 and 88,756.40

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Solution

The fourth proportional to 147,897.20, 221,716.20 and 88,756.40 is: 133,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,897.20 : 221,716.20 = 88,756.40 : x
  2. Step 2: Convert to fraction form
    147,897.20/221,716.20 = 88,756.40/x
  3. Step 3: Cross multiply
    147,897.20x = 221,716.20 × 88,756.40
  4. Step 4: Simplify right side
    147,897.20x = 19,678,731,733.68
  5. Step 5: Solve for x
    x = 19,678,731,733.68/147,897.20
  6. Step 6: Final answer
    x = 133,056.82

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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.