Home / 134,836.56-202,155-64,649.04

Finding the Fourth Proportional to 134,836.56, 202,155 and 64,649.04

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Solution

The fourth proportional to 134,836.56, 202,155 and 64,649.04 is: 96,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,836.56 : 202,155 = 64,649.04 : x
  2. Step 2: Convert to fraction form
    134,836.56/202,155 = 64,649.04/x
  3. Step 3: Cross multiply
    134,836.56x = 202,155 × 64,649.04
  4. Step 4: Simplify right side
    134,836.56x = 13,069,126,681.20
  5. Step 5: Solve for x
    x = 13,069,126,681.20/134,836.56
  6. Step 6: Final answer
    x = 96,925.69

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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.