Home / 170,525-235,322.64-97,939.76

Finding the Fourth Proportional to 170,525, 235,322.64 and 97,939.76

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Solution

The fourth proportional to 170,525, 235,322.64 and 97,939.76 is: 135,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,525 : 235,322.64 = 97,939.76 : x
  2. Step 2: Convert to fraction form
    170,525/235,322.64 = 97,939.76/x
  3. Step 3: Cross multiply
    170,525x = 235,322.64 × 97,939.76
  4. Step 4: Simplify right side
    170,525x = 23,047,442,884.17
  5. Step 5: Solve for x
    x = 23,047,442,884.17/170,525
  6. Step 6: Final answer
    x = 135,155.80

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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.