Home / 157,280.46-235,983.06-57,447.16

Finding the Fourth Proportional to 157,280.46, 235,983.06 and 57,447.16

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Solution

The fourth proportional to 157,280.46, 235,983.06 and 57,447.16 is: 86,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,280.46 : 235,983.06 = 57,447.16 : x
  2. Step 2: Convert to fraction form
    157,280.46/235,983.06 = 57,447.16/x
  3. Step 3: Cross multiply
    157,280.46x = 235,983.06 × 57,447.16
  4. Step 4: Simplify right side
    157,280.46x = 13,556,556,605.11
  5. Step 5: Solve for x
    x = 13,556,556,605.11/157,280.46
  6. Step 6: Final answer
    x = 86,193.52

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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.