Home / 155,303.27-232,916.42-66,546.71

Finding the Fourth Proportional to 155,303.27, 232,916.42 and 66,546.71

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Solution

The fourth proportional to 155,303.27, 232,916.42 and 66,546.71 is: 99,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,303.27 : 232,916.42 = 66,546.71 : x
  2. Step 2: Convert to fraction form
    155,303.27/232,916.42 = 66,546.71/x
  3. Step 3: Cross multiply
    155,303.27x = 232,916.42 × 66,546.71
  4. Step 4: Simplify right side
    155,303.27x = 15,499,820,457.76
  5. Step 5: Solve for x
    x = 15,499,820,457.76/155,303.27
  6. Step 6: Final answer
    x = 99,803.57

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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.