Home / 157,487.15-236,063.61-77,412.19

Finding the Fourth Proportional to 157,487.15, 236,063.61 and 77,412.19

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Solution

The fourth proportional to 157,487.15, 236,063.61 and 77,412.19 is: 116,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,487.15 : 236,063.61 = 77,412.19 : x
  2. Step 2: Convert to fraction form
    157,487.15/236,063.61 = 77,412.19/x
  3. Step 3: Cross multiply
    157,487.15x = 236,063.61 × 77,412.19
  4. Step 4: Simplify right side
    157,487.15x = 18,274,201,029.41
  5. Step 5: Solve for x
    x = 18,274,201,029.41/157,487.15
  6. Step 6: Final answer
    x = 116,036.14

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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.