Home / 153,653.79-230,427.38-53,811.78

Finding the Fourth Proportional to 153,653.79, 230,427.38 and 53,811.78

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Solution

The fourth proportional to 153,653.79, 230,427.38 and 53,811.78 is: 80,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,653.79 : 230,427.38 = 53,811.78 : x
  2. Step 2: Convert to fraction form
    153,653.79/230,427.38 = 53,811.78/x
  3. Step 3: Cross multiply
    153,653.79x = 230,427.38 × 53,811.78
  4. Step 4: Simplify right side
    153,653.79x = 12,399,707,613.07
  5. Step 5: Solve for x
    x = 12,399,707,613.07/153,653.79
  6. Step 6: Final answer
    x = 80,699.00

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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.