Home / 127,442.34-191,215.80-56,327.40

Finding the Fourth Proportional to 127,442.34, 191,215.80 and 56,327.40

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Solution

The fourth proportional to 127,442.34, 191,215.80 and 56,327.40 is: 84,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,442.34 : 191,215.80 = 56,327.40 : x
  2. Step 2: Convert to fraction form
    127,442.34/191,215.80 = 56,327.40/x
  3. Step 3: Cross multiply
    127,442.34x = 191,215.80 × 56,327.40
  4. Step 4: Simplify right side
    127,442.34x = 10,770,688,852.92
  5. Step 5: Solve for x
    x = 10,770,688,852.92/127,442.34
  6. Step 6: Final answer
    x = 84,514.21

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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.