Home / 307,007.04-423,684.36-171,050.16

Finding the Fourth Proportional to 307,007.04, 423,684.36 and 171,050.16

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Solution

The fourth proportional to 307,007.04, 423,684.36 and 171,050.16 is: 236,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,007.04 : 423,684.36 = 171,050.16 : x
  2. Step 2: Convert to fraction form
    307,007.04/423,684.36 = 171,050.16/x
  3. Step 3: Cross multiply
    307,007.04x = 423,684.36 × 171,050.16
  4. Step 4: Simplify right side
    307,007.04x = 72,471,277,567.50
  5. Step 5: Solve for x
    x = 72,471,277,567.50/307,007.04
  6. Step 6: Final answer
    x = 236,057.38

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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.