Home / 170,382.18-235,129-93,904.08

Finding the Fourth Proportional to 170,382.18, 235,129 and 93,904.08

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Solution

The fourth proportional to 170,382.18, 235,129 and 93,904.08 is: 129,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,382.18 : 235,129 = 93,904.08 : x
  2. Step 2: Convert to fraction form
    170,382.18/235,129 = 93,904.08/x
  3. Step 3: Cross multiply
    170,382.18x = 235,129 × 93,904.08
  4. Step 4: Simplify right side
    170,382.18x = 22,079,572,426.32
  5. Step 5: Solve for x
    x = 22,079,572,426.32/170,382.18
  6. Step 6: Final answer
    x = 129,588.51

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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.