Home / 285,298.16-393,723.32-157,973.75

Finding the Fourth Proportional to 285,298.16, 393,723.32 and 157,973.75

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Solution

The fourth proportional to 285,298.16, 393,723.32 and 157,973.75 is: 218,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,298.16 : 393,723.32 = 157,973.75 : x
  2. Step 2: Convert to fraction form
    285,298.16/393,723.32 = 157,973.75/x
  3. Step 3: Cross multiply
    285,298.16x = 393,723.32 × 157,973.75
  4. Step 4: Simplify right side
    285,298.16x = 62,197,946,564.36
  5. Step 5: Solve for x
    x = 62,197,946,564.36/285,298.16
  6. Step 6: Final answer
    x = 218,010.34

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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.