Home / 127,595.50-191,328.90-74,304.70

Finding the Fourth Proportional to 127,595.50, 191,328.90 and 74,304.70

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Solution

The fourth proportional to 127,595.50, 191,328.90 and 74,304.70 is: 111,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,595.50 : 191,328.90 = 74,304.70 : x
  2. Step 2: Convert to fraction form
    127,595.50/191,328.90 = 74,304.70/x
  3. Step 3: Cross multiply
    127,595.50x = 191,328.90 × 74,304.70
  4. Step 4: Simplify right side
    127,595.50x = 14,216,636,515.83
  5. Step 5: Solve for x
    x = 14,216,636,515.83/127,595.50
  6. Step 6: Final answer
    x = 111,419.58

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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.