Home / 127,575.51-191,355.56-56,477.35

Finding the Fourth Proportional to 127,575.51, 191,355.56 and 56,477.35

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Solution

The fourth proportional to 127,575.51, 191,355.56 and 56,477.35 is: 84,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,575.51 : 191,355.56 = 56,477.35 : x
  2. Step 2: Convert to fraction form
    127,575.51/191,355.56 = 56,477.35/x
  3. Step 3: Cross multiply
    127,575.51x = 191,355.56 × 56,477.35
  4. Step 4: Simplify right side
    127,575.51x = 10,807,255,422.85
  5. Step 5: Solve for x
    x = 10,807,255,422.85/127,575.51
  6. Step 6: Final answer
    x = 84,712.62

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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.