Home / 243,962.87-336,821.58-156,783.34

Finding the Fourth Proportional to 243,962.87, 336,821.58 and 156,783.34

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Solution

The fourth proportional to 243,962.87, 336,821.58 and 156,783.34 is: 216,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,962.87 : 336,821.58 = 156,783.34 : x
  2. Step 2: Convert to fraction form
    243,962.87/336,821.58 = 156,783.34/x
  3. Step 3: Cross multiply
    243,962.87x = 336,821.58 × 156,783.34
  4. Step 4: Simplify right side
    243,962.87x = 52,808,012,296.48
  5. Step 5: Solve for x
    x = 52,808,012,296.48/243,962.87
  6. Step 6: Final answer
    x = 216,459.22

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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.