Home / 157,681.24-236,553-57,842.35

Finding the Fourth Proportional to 157,681.24, 236,553 and 57,842.35

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Solution

The fourth proportional to 157,681.24, 236,553 and 57,842.35 is: 86,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,681.24 : 236,553 = 57,842.35 : x
  2. Step 2: Convert to fraction form
    157,681.24/236,553 = 57,842.35/x
  3. Step 3: Cross multiply
    157,681.24x = 236,553 × 57,842.35
  4. Step 4: Simplify right side
    157,681.24x = 13,682,781,419.55
  5. Step 5: Solve for x
    x = 13,682,781,419.55/157,681.24
  6. Step 6: Final answer
    x = 86,774.95

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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.