Home / 202,746.02-279,784.55-112,099.68

Finding the Fourth Proportional to 202,746.02, 279,784.55 and 112,099.68

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Solution

The fourth proportional to 202,746.02, 279,784.55 and 112,099.68 is: 154,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,746.02 : 279,784.55 = 112,099.68 : x
  2. Step 2: Convert to fraction form
    202,746.02/279,784.55 = 112,099.68/x
  3. Step 3: Cross multiply
    202,746.02x = 279,784.55 × 112,099.68
  4. Step 4: Simplify right side
    202,746.02x = 31,363,758,804.19
  5. Step 5: Solve for x
    x = 31,363,758,804.19/202,746.02
  6. Step 6: Final answer
    x = 154,694.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.