Home / 152,193.81-210,111.92-91,779.76

Finding the Fourth Proportional to 152,193.81, 210,111.92 and 91,779.76

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Solution

The fourth proportional to 152,193.81, 210,111.92 and 91,779.76 is: 126,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,193.81 : 210,111.92 = 91,779.76 : x
  2. Step 2: Convert to fraction form
    152,193.81/210,111.92 = 91,779.76/x
  3. Step 3: Cross multiply
    152,193.81x = 210,111.92 × 91,779.76
  4. Step 4: Simplify right side
    152,193.81x = 19,284,021,590.74
  5. Step 5: Solve for x
    x = 19,284,021,590.74/152,193.81
  6. Step 6: Final answer
    x = 126,707.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.