Home / 545,114.04-817,606.67-145,785.76

Finding the Fourth Proportional to 545,114.04, 817,606.67 and 145,785.76

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Solution

The fourth proportional to 545,114.04, 817,606.67 and 145,785.76 is: 218,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,114.04 : 817,606.67 = 145,785.76 : x
  2. Step 2: Convert to fraction form
    545,114.04/817,606.67 = 145,785.76/x
  3. Step 3: Cross multiply
    545,114.04x = 817,606.67 × 145,785.76
  4. Step 4: Simplify right side
    545,114.04x = 119,195,411,446.57
  5. Step 5: Solve for x
    x = 119,195,411,446.57/545,114.04
  6. Step 6: Final answer
    x = 218,661.42

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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.