Home / 152,772.48-210,822.85-84,785.50

Finding the Fourth Proportional to 152,772.48, 210,822.85 and 84,785.50

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Solution

The fourth proportional to 152,772.48, 210,822.85 and 84,785.50 is: 117,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,772.48 : 210,822.85 = 84,785.50 : x
  2. Step 2: Convert to fraction form
    152,772.48/210,822.85 = 84,785.50/x
  3. Step 3: Cross multiply
    152,772.48x = 210,822.85 × 84,785.50
  4. Step 4: Simplify right side
    152,772.48x = 17,874,721,118.19
  5. Step 5: Solve for x
    x = 17,874,721,118.19/152,772.48
  6. Step 6: Final answer
    x = 117,002.23

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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.