Home / 152,045.52-209,822.28-84,977.52

Finding the Fourth Proportional to 152,045.52, 209,822.28 and 84,977.52

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Solution

The fourth proportional to 152,045.52, 209,822.28 and 84,977.52 is: 117,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,045.52 : 209,822.28 = 84,977.52 : x
  2. Step 2: Convert to fraction form
    152,045.52/209,822.28 = 84,977.52/x
  3. Step 3: Cross multiply
    152,045.52x = 209,822.28 × 84,977.52
  4. Step 4: Simplify right side
    152,045.52x = 17,830,176,995.15
  5. Step 5: Solve for x
    x = 17,830,176,995.15/152,045.52
  6. Step 6: Final answer
    x = 117,268.68

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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.