Home / 157,456.58-236,113.79-45,111.08

Finding the Fourth Proportional to 157,456.58, 236,113.79 and 45,111.08

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Solution

The fourth proportional to 157,456.58, 236,113.79 and 45,111.08 is: 67,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,456.58 : 236,113.79 = 45,111.08 : x
  2. Step 2: Convert to fraction form
    157,456.58/236,113.79 = 45,111.08/x
  3. Step 3: Cross multiply
    157,456.58x = 236,113.79 × 45,111.08
  4. Step 4: Simplify right side
    157,456.58x = 10,651,347,106.38
  5. Step 5: Solve for x
    x = 10,651,347,106.38/157,456.58
  6. Step 6: Final answer
    x = 67,646.25

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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.