Home / 145,004.57-217,586.13-56,261.58

Finding the Fourth Proportional to 145,004.57, 217,586.13 and 56,261.58

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Solution

The fourth proportional to 145,004.57, 217,586.13 and 56,261.58 is: 84,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004.57 : 217,586.13 = 56,261.58 : x
  2. Step 2: Convert to fraction form
    145,004.57/217,586.13 = 56,261.58/x
  3. Step 3: Cross multiply
    145,004.57x = 217,586.13 × 56,261.58
  4. Step 4: Simplify right side
    145,004.57x = 12,241,738,854.92
  5. Step 5: Solve for x
    x = 12,241,738,854.92/145,004.57
  6. Step 6: Final answer
    x = 84,423.13

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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.