Home / 179,995.16-248,391.77-99,428.31

Finding the Fourth Proportional to 179,995.16, 248,391.77 and 99,428.31

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Solution

The fourth proportional to 179,995.16, 248,391.77 and 99,428.31 is: 137,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,995.16 : 248,391.77 = 99,428.31 : x
  2. Step 2: Convert to fraction form
    179,995.16/248,391.77 = 99,428.31/x
  3. Step 3: Cross multiply
    179,995.16x = 248,391.77 × 99,428.31
  4. Step 4: Simplify right side
    179,995.16x = 24,697,173,411.87
  5. Step 5: Solve for x
    x = 24,697,173,411.87/179,995.16
  6. Step 6: Final answer
    x = 137,210.21

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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.