Home / 152,155.80-209,904.24-98,458.16

Finding the Fourth Proportional to 152,155.80, 209,904.24 and 98,458.16

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Solution

The fourth proportional to 152,155.80, 209,904.24 and 98,458.16 is: 135,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,155.80 : 209,904.24 = 98,458.16 : x
  2. Step 2: Convert to fraction form
    152,155.80/209,904.24 = 98,458.16/x
  3. Step 3: Cross multiply
    152,155.80x = 209,904.24 × 98,458.16
  4. Step 4: Simplify right side
    152,155.80x = 20,666,785,246.60
  5. Step 5: Solve for x
    x = 20,666,785,246.60/152,155.80
  6. Step 6: Final answer
    x = 135,826.47

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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.