Home / 175,154.15-261,771.50-127,868.81

Finding the Fourth Proportional to 175,154.15, 261,771.50 and 127,868.81

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Solution

The fourth proportional to 175,154.15, 261,771.50 and 127,868.81 is: 191,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,154.15 : 261,771.50 = 127,868.81 : x
  2. Step 2: Convert to fraction form
    175,154.15/261,771.50 = 127,868.81/x
  3. Step 3: Cross multiply
    175,154.15x = 261,771.50 × 127,868.81
  4. Step 4: Simplify right side
    175,154.15x = 33,472,408,248.71
  5. Step 5: Solve for x
    x = 33,472,408,248.71/175,154.15
  6. Step 6: Final answer
    x = 191,102.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.