Home / 157,988.16-218,027.76-94,362.60

Finding the Fourth Proportional to 157,988.16, 218,027.76 and 94,362.60

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Solution

The fourth proportional to 157,988.16, 218,027.76 and 94,362.60 is: 130,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,988.16 : 218,027.76 = 94,362.60 : x
  2. Step 2: Convert to fraction form
    157,988.16/218,027.76 = 94,362.60/x
  3. Step 3: Cross multiply
    157,988.16x = 218,027.76 × 94,362.60
  4. Step 4: Simplify right side
    157,988.16x = 20,573,666,305.78
  5. Step 5: Solve for x
    x = 20,573,666,305.78/157,988.16
  6. Step 6: Final answer
    x = 130,222.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.