Home / 157,133.19-217,097.49-109,598.74

Finding the Fourth Proportional to 157,133.19, 217,097.49 and 109,598.74

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Solution

The fourth proportional to 157,133.19, 217,097.49 and 109,598.74 is: 151,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,133.19 : 217,097.49 = 109,598.74 : x
  2. Step 2: Convert to fraction form
    157,133.19/217,097.49 = 109,598.74/x
  3. Step 3: Cross multiply
    157,133.19x = 217,097.49 × 109,598.74
  4. Step 4: Simplify right side
    157,133.19x = 23,793,611,361.16
  5. Step 5: Solve for x
    x = 23,793,611,361.16/157,133.19
  6. Step 6: Final answer
    x = 151,423.21

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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.