Home / 145,794.10-218,709.66-57,036.22

Finding the Fourth Proportional to 145,794.10, 218,709.66 and 57,036.22

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Solution

The fourth proportional to 145,794.10, 218,709.66 and 57,036.22 is: 85,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,794.10 : 218,709.66 = 57,036.22 : x
  2. Step 2: Convert to fraction form
    145,794.10/218,709.66 = 57,036.22/x
  3. Step 3: Cross multiply
    145,794.10x = 218,709.66 × 57,036.22
  4. Step 4: Simplify right side
    145,794.10x = 12,474,372,283.89
  5. Step 5: Solve for x
    x = 12,474,372,283.89/145,794.10
  6. Step 6: Final answer
    x = 85,561.57

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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.