Home / 113,665.37-170,498.02-38,785.51

Finding the Fourth Proportional to 113,665.37, 170,498.02 and 38,785.51

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Solution

The fourth proportional to 113,665.37, 170,498.02 and 38,785.51 is: 58,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,665.37 : 170,498.02 = 38,785.51 : x
  2. Step 2: Convert to fraction form
    113,665.37/170,498.02 = 38,785.51/x
  3. Step 3: Cross multiply
    113,665.37x = 170,498.02 × 38,785.51
  4. Step 4: Simplify right side
    113,665.37x = 6,612,851,904.16
  5. Step 5: Solve for x
    x = 6,612,851,904.16/113,665.37
  6. Step 6: Final answer
    x = 58,178.25

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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.