Home / 112,464.76-155,201.52-64,717.16

Finding the Fourth Proportional to 112,464.76, 155,201.52 and 64,717.16

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Solution

The fourth proportional to 112,464.76, 155,201.52 and 64,717.16 is: 89,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464.76 : 155,201.52 = 64,717.16 : x
  2. Step 2: Convert to fraction form
    112,464.76/155,201.52 = 64,717.16/x
  3. Step 3: Cross multiply
    112,464.76x = 155,201.52 × 64,717.16
  4. Step 4: Simplify right side
    112,464.76x = 10,044,201,602.08
  5. Step 5: Solve for x
    x = 10,044,201,602.08/112,464.76
  6. Step 6: Final answer
    x = 89,309.77

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1.5x scale

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.