Home / 157,666.61-236,359.26-57,803.49

Finding the Fourth Proportional to 157,666.61, 236,359.26 and 57,803.49

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Solution

The fourth proportional to 157,666.61, 236,359.26 and 57,803.49 is: 86,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,666.61 : 236,359.26 = 57,803.49 : x
  2. Step 2: Convert to fraction form
    157,666.61/236,359.26 = 57,803.49/x
  3. Step 3: Cross multiply
    157,666.61x = 236,359.26 × 57,803.49
  4. Step 4: Simplify right side
    157,666.61x = 13,662,390,121.82
  5. Step 5: Solve for x
    x = 13,662,390,121.82/157,666.61
  6. Step 6: Final answer
    x = 86,653.67

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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.