Home / 157,445.61-217,152.04-109,065.79

Finding the Fourth Proportional to 157,445.61, 217,152.04 and 109,065.79

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Solution

The fourth proportional to 157,445.61, 217,152.04 and 109,065.79 is: 150,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445.61 : 217,152.04 = 109,065.79 : x
  2. Step 2: Convert to fraction form
    157,445.61/217,152.04 = 109,065.79/x
  3. Step 3: Cross multiply
    157,445.61x = 217,152.04 × 109,065.79
  4. Step 4: Simplify right side
    157,445.61x = 23,683,858,792.71
  5. Step 5: Solve for x
    x = 23,683,858,792.71/157,445.61
  6. Step 6: Final answer
    x = 150,425.65

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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.