Home / 157,677.04-236,389.96-91,041.60

Finding the Fourth Proportional to 157,677.04, 236,389.96 and 91,041.60

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Solution

The fourth proportional to 157,677.04, 236,389.96 and 91,041.60 is: 136,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,677.04 : 236,389.96 = 91,041.60 : x
  2. Step 2: Convert to fraction form
    157,677.04/236,389.96 = 91,041.60/x
  3. Step 3: Cross multiply
    157,677.04x = 236,389.96 × 91,041.60
  4. Step 4: Simplify right side
    157,677.04x = 21,521,320,182.34
  5. Step 5: Solve for x
    x = 21,521,320,182.34/157,677.04
  6. Step 6: Final answer
    x = 136,489.88

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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.