Home / 157,990.10-218,028.93-94,333.46

Finding the Fourth Proportional to 157,990.10, 218,028.93 and 94,333.46

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Solution

The fourth proportional to 157,990.10, 218,028.93 and 94,333.46 is: 130,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,990.10 : 218,028.93 = 94,333.46 : x
  2. Step 2: Convert to fraction form
    157,990.10/218,028.93 = 94,333.46/x
  3. Step 3: Cross multiply
    157,990.10x = 218,028.93 × 94,333.46
  4. Step 4: Simplify right side
    157,990.10x = 20,567,423,347.00
  5. Step 5: Solve for x
    x = 20,567,423,347.00/157,990.10
  6. Step 6: Final answer
    x = 130,181.72

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1.5x scale

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.