Home / 153,439.04-230,213.76-53,613.92

Finding the Fourth Proportional to 153,439.04, 230,213.76 and 53,613.92

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Solution

The fourth proportional to 153,439.04, 230,213.76 and 53,613.92 is: 80,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,439.04 : 230,213.76 = 53,613.92 : x
  2. Step 2: Convert to fraction form
    153,439.04/230,213.76 = 53,613.92/x
  3. Step 3: Cross multiply
    153,439.04x = 230,213.76 × 53,613.92
  4. Step 4: Simplify right side
    153,439.04x = 12,342,662,111.54
  5. Step 5: Solve for x
    x = 12,342,662,111.54/153,439.04
  6. Step 6: Final answer
    x = 80,440.17

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1.5x scale

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.