Home / 127,333.08-191,019.40-38,565.45

Finding the Fourth Proportional to 127,333.08, 191,019.40 and 38,565.45

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Solution

The fourth proportional to 127,333.08, 191,019.40 and 38,565.45 is: 57,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,333.08 : 191,019.40 = 38,565.45 : x
  2. Step 2: Convert to fraction form
    127,333.08/191,019.40 = 38,565.45/x
  3. Step 3: Cross multiply
    127,333.08x = 191,019.40 × 38,565.45
  4. Step 4: Simplify right side
    127,333.08x = 7,366,749,023.32
  5. Step 5: Solve for x
    x = 7,366,749,023.32/127,333.08
  6. Step 6: Final answer
    x = 57,854.17

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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.