Home / 152,866.15-210,933.35-84,883.95

Finding the Fourth Proportional to 152,866.15, 210,933.35 and 84,883.95

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Solution

The fourth proportional to 152,866.15, 210,933.35 and 84,883.95 is: 117,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,866.15 : 210,933.35 = 84,883.95 : x
  2. Step 2: Convert to fraction form
    152,866.15/210,933.35 = 84,883.95/x
  3. Step 3: Cross multiply
    152,866.15x = 210,933.35 × 84,883.95
  4. Step 4: Simplify right side
    152,866.15x = 17,904,855,828.63
  5. Step 5: Solve for x
    x = 17,904,855,828.63/152,866.15
  6. Step 6: Final answer
    x = 117,127.67

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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.